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US Airports With the Fewest Flight Delays in December

Among the 22 busiest US airports, Salt Lake City (SLC) had the highest on-time departure rate in December: 81.6% of flights left within 15 minutes of schedule, with an average departure delay of 13 min. Across all 138 airports we ranked, Amarillo (AMA) had the highest rate at 89.3%.

Ranked by the share of departures that left on time, over December 2025 (US DOT data).

Airports ranked
138
Period
December 2025
US on-time departures
73.0%
Ranked by
On-time departures

Major hubs

100,000+ departures a year

#AirportOn-time departuresAvg delayCancelled
1Salt Lake City (SLC)Salt Lake City Intl, UT · 9,740 departures · most delay from airline issues81.6%13 min0.8%
2Houston (IAH)George Bush Intercontinental, TX · 9,971 departures · most delay from airline issues78.8%17 min0.6%
3Phoenix (PHX)Phoenix Sky Harbor Intl, AZ · 17,689 departures · most delay from airline issues76.0%15 min0.5%
4Los Angeles (LAX)Los Angeles Intl, CA · 16,050 departures · most delay from airline issues76.0%18 min0.9%
5Las Vegas (LAS)Harry Reid Intl, NV · 14,547 departures · most delay from airline issues75.0%15 min0.6%
6San Francisco (SFO)San Francisco Intl, CA · 11,975 departures · most delay from air traffic control and volume74.7%22 min1.1%
7Miami (MIA)Miami Intl, FL · 10,099 departures · most delay from airline issues74.4%18 min1.1%
8Boston (BOS)Boston Logan Intl, MA · 11,248 departures · most delay from airline issues72.9%21 min1.7%
9Newark (EWR)Newark Liberty Intl, NJ · 10,652 departures · most delay from air traffic control and volume72.8%22 min2.6%
10Seattle (SEA)Seattle–Tacoma Intl, WA · 13,023 departures · most delay from airline issues72.7%17 min1.0%
11Atlanta (ATL)Hartsfield Jackson Atlanta Intl, GA · 25,764 departures · most delay from airline issues72.4%20 min2.4%
12Denver (DEN)Denver Intl, CO · 26,026 departures · most delay from airline issues72.3%20 min0.6%
13Charlotte (CLT)Charlotte Douglas Intl, NC · 14,975 departures · most delay from airline issues72.3%20 min0.8%
14Nashville (BNA)Nashville Intl, TN · 8,776 departures · most delay from airline issues70.4%20 min1.0%
15Orlando (MCO)Orlando Intl, FL · 14,287 departures · most delay from airline issues70.0%22 min1.4%
16New York (JFK)John F. Kennedy Intl, NY · 8,856 departures · most delay from airline issues70.0%25 min4.0%
17Minneapolis (MSP)Minneapolis–Saint Paul Intl Airport / Wold–Chamberlain Field, MN · 8,854 departures · most delay from airline issues69.8%26 min2.3%
18Dallas-Fort Worth (DFW)Dallas Fort Worth Intl, TX · 25,770 departures · most delay from airline issues69.5%22 min0.6%
19Washington (DCA)Ronald Reagan Washington National, DC · 11,308 departures · most delay from airline issues69.0%24 min2.3%
20New York (LGA)LaGuardia, NY · 11,361 departures · most delay from air traffic control and volume68.1%26 min4.8%
21Detroit (DTW)Detroit Metropolitan Wayne County, MI · 9,934 departures · most delay from airline issues67.9%31 min2.5%
22Chicago (ORD)Chicago O'Hare Intl, IL · 27,790 departures · most delay from airline issues64.7%33 min2.5%

Mid-size airports

25,000 to 100,000 departures a year

#AirportOn-time departuresAvg delayCancelled
1Kahului (OGG)Kahului Intl, HI · 2,217 departures · most delay from airline issues81.4%12 min0.8%
2San Antonio (SAT)San Antonio Intl, TX · 3,588 departures · most delay from airline issues80.7%13 min0.7%
3San Jose (SJC)Norman Y. Mineta San Jose Intl, CA · 3,622 departures · most delay from airline issues79.5%13 min0.9%
4Ontario (ONT)Ontario Intl, CA · 2,132 departures · most delay from airline issues79.4%15 min0.7%
5Portland (PDX)Portland Intl, OR · 5,124 departures · most delay from airline issues78.7%14 min0.6%
6Honolulu, Oahu (HNL)Daniel K. Inouye Intl, HI · 5,054 departures · most delay from airline issues78.7%15 min0.7%
7Dulles (IAD)Washington Dulles Intl, VA · 4,676 departures · most delay from airline issues78.5%17 min0.7%
8Pittsburgh (PIT)Pittsburgh Intl, PA · 3,474 departures · most delay from airline issues78.1%17 min1.5%
9Burbank (BUR)Hollywood Burbank/Bob Hope, CA · 2,623 departures · most delay from airline issues77.6%17 min2.1%
10Sacramento (SMF)Sacramento Intl, CA · 4,531 departures · most delay from airline issues77.5%14 min0.8%
11Jacksonville (JAX)Jacksonville Intl, FL · 2,545 departures · most delay from airline issues77.2%19 min1.7%
12Houston (HOU)William P. Hobby, TX · 4,634 departures · most delay from airline issues77.1%12 min0.4%
13Santa Ana (SNA)John Wayne Orange County Intl, CA · 3,825 departures · most delay from airline issues76.5%18 min1.1%
14Omaha (OMA)Eppley Airfield, NE · 2,067 departures · most delay from airline issues76.2%20 min1.0%
15Cleveland (CLE)Cleveland Hopkins Intl, OH · 3,252 departures · most delay from airline issues75.7%21 min3.2%
16New Orleans (MSY)Louis Armstrong New Orleans Intl, LA · 4,152 departures · most delay from airline issues75.2%19 min1.3%
17Raleigh/Durham (RDU)Raleigh-Durham Intl, NC · 4,803 departures · most delay from airline issues74.7%21 min1.7%
18Austin (AUS)Austin Bergstrom Intl, TX · 7,528 departures · most delay from airline issues74.4%18 min0.6%
19Tampa (TPA)Tampa Intl, FL · 6,851 departures · most delay from airline issues74.3%20 min1.4%
20Fort Myers (RSW)Southwest Florida Intl, FL · 3,480 departures · most delay from airline issues74.2%23 min1.9%
21Indianapolis (IND)Indianapolis Intl, IN · 3,906 departures · most delay from airline issues73.8%21 min1.6%
22Kansas City (MCI)Kansas City Intl, MO · 3,969 departures · most delay from airline issues73.7%23 min1.4%
23Columbus (CMH)John Glenn Columbus Intl, OH · 3,567 departures · most delay from airline issues73.4%21 min1.7%
24Milwaukee (MKE)General Mitchell Intl, WI · 2,273 departures · most delay from airline issues73.2%26 min1.9%
25Oakland (OAK)Oakland San Francisco Bay, CA · 2,646 departures · most delay from airline issues73.0%15 min0.6%
26Cincinnati / Covington (CVG)Cincinnati Northern Kentucky Intl, KY · 2,710 departures · most delay from airline issues72.6%25 min1.7%
27Dallas (DAL)Dallas Love Field, TX · 6,070 departures · most delay from airline issues72.2%15 min0.4%
28San Diego (SAN)San Diego Intl, CA · 8,228 departures · most delay from airline issues70.5%19 min1.4%
29Philadelphia (PHL)Philadelphia Intl, PA · 7,468 departures · most delay from airline issues70.5%26 min2.4%
30St Louis (STL)St. Louis Lambert Intl, MO · 5,359 departures · most delay from airline issues70.0%21 min0.9%
31West Palm Beach (PBI)Palm Beach Intl, FL · 3,186 departures · most delay from air traffic control and volume68.3%25 min1.9%
32Chicago (MDW)Chicago Midway Intl, IL · 5,738 departures · most delay from airline issues68.1%19 min0.5%
33Baltimore (BWI)Baltimore/Washington Intl Thurgood Marshall, MD · 7,863 departures · most delay from airline issues68.0%18 min1.3%
34Fort Lauderdale (FLL)Fort Lauderdale Hollywood Intl, FL · 8,886 departures · most delay from air traffic control and volume62.7%27 min2.1%

Smaller airports

5,000 to 25,000 departures a year

#AirportOn-time departuresAvg delayCancelled
1Amarillo (AMA)Rick Husband Amarillo Intl, TX · 411 departures · most delay from airline issues89.3%17 min0.0%
2Midland (MAF)Midland Intl Air and Space Port, TX · 763 departures · most delay from airline issues88.3%10 min0.5%
3Pasco (PSC)Tri Cities, WA · 567 departures · most delay from airline issues87.9%12 min0.5%
4Tulsa (TUL)Tulsa Intl, OK · 1,536 departures · most delay from airline issues83.1%15 min1.2%
5Redmond (RDM)Roberts Field, OR · 506 departures · most delay from airline issues83.1%13 min0.6%
6Tucson (TUS)Tucson Intl, AZ · 1,784 departures · most delay from airline issues82.8%14 min0.6%
7Spokane (GEG)Spokane Intl, WA · 1,476 departures · most delay from airline issues82.8%13 min0.5%
8Fresno (FAT)Fresno Yosemite Intl, CA · 1,082 departures · most delay from airline issues82.4%13 min0.5%
9Boise (BOI)Boise Air Terminal/Gowen Field, ID · 2,012 departures · most delay from airline issues82.2%13 min0.6%
10Kailua-Kona (KOA)Ellison Onizuka Kona Intl Airport at Keāhole, HI · 1,389 departures · most delay from airline issues82.0%10 min0.9%
11Valparaiso (VPS)Destin-Fort Walton Beach, FL · 658 departures · most delay from airline issues82.0%15 min1.2%
12Fayetteville/Springdale/Rogers (XNA)Northwest Arkansas National, AR · 1,103 departures · most delay from airline issues81.8%17 min0.8%
13Panama City Beach (ECP)Northwest Florida Beaches Intl, FL · 604 departures · most delay from airline issues81.6%17 min2.8%
14Lihue, Kauai (LIH)Lihue, HI · 1,369 departures · most delay from airline issues81.4%11 min0.7%
15El Paso (ELP)El Paso Intl, TX · 1,470 departures · most delay from airline issues81.1%13 min0.5%
16Medford (MFR)Rogue Valley Intl-Medford, OR · 407 departures · most delay from airline issues81.1%20 min1.0%
17Albuquerque (ABQ)Albuquerque Intl Sunport, NM · 2,054 departures · most delay from airline issues80.9%14 min0.4%
18Oklahoma City (OKC)OKC Will Rogers World, OK · 2,023 departures · most delay from airline issues80.3%16 min0.7%
19Lubbock (LBB)Lubbock Preston Smith Intl, TX · 564 departures · most delay from airline issues80.3%16 min0.2%
20Reno (RNO)Reno Tahoe Intl, NV · 1,695 departures · most delay from airline issues79.6%18 min1.8%
21Savannah (SAV)Savannah Hilton Head Intl, GA · 1,515 departures · most delay from airline issues79.4%20 min1.8%
22Hilo (ITO)Hilo Intl, HI · 567 departures · most delay from airline issues79.4%9 min0.0%
23Santa Barbara (SBA)Santa Barbara Muni, CA · 683 departures · most delay from airline issues79.3%24 min2.5%
24Jackson (JAN)Jackson-Medgar Wiley Evers Intl, MS · 433 departures · most delay from airline issues79.3%17 min1.6%
25Palm Springs (PSP)Palm Springs Intl, CA · 1,477 departures · most delay from airline issues79.1%20 min0.9%
26Manchester (MHT)Manchester-Boston Rgnl, NH · 469 departures · most delay from airline issues79.0%17 min2.6%
27Long Beach (LGB)Long Beach Intl, CA · 1,357 departures · most delay from airline issues78.6%13 min1.4%
28San Luis Obispo (SBP)San Luis County Rgnl, CA · 460 departures · most delay from airline issues78.3%24 min1.7%
29Eugene (EUG)Eugene, OR · 757 departures · most delay from airline issues77.5%17 min0.8%
30Springfield (SGF)Springfield Branson National, MO · 656 departures · most delay from airline issues77.4%17 min1.5%
31Birmingham (BHM)Birmingham-Shuttlesworth Intl, AL · 1,355 departures · most delay from airline issues77.3%19 min1.3%
32Mesa (AZA)Mesa Gateway, AZ · 629 departures · most delay from airline issues77.2%16 min0.5%
33Greensboro (GSO)Piedmont Triad Intl, NC · 806 departures · most delay from airline issues77.0%22 min2.7%
34Colorado Springs (COS)City of Colorado Springs Muni, CO · 1,114 departures · most delay from airline issues76.9%20 min0.7%
35Louisville (SDF)Louisville Muhammad Ali Intl, KY · 1,686 departures · most delay from airline issues76.8%20 min1.8%
36Portland (PWM)Portland Intl Jetport, ME · 546 departures · most delay from airline issues76.4%21 min2.2%
37Shreveport (SHV)Shreveport Rgnl, LA · 521 departures · most delay from airline issues76.4%27 min0.6%
38Sarasota/Bradenton (SRQ)Sarasota Bradenton Intl, FL · 1,685 departures · most delay from air traffic control and volume76.3%23 min1.4%
39Memphis (MEM)Memphis Intl, TN · 1,956 departures · most delay from airline issues76.2%20 min1.5%
40Wichita (ICT)Wichita Dwight D. Eisenhower National, KS · 919 departures · most delay from airline issues76.1%30 min1.1%
41Wilmington (ILM)Wilmington Intl, NC · 544 departures · most delay from airline issues75.9%23 min2.2%
42Charleston (CHS)Charleston Intl, SC · 2,030 departures · most delay from airline issues75.8%22 min1.9%
43Little Rock (LIT)Bill & Hillary Clinton National Airport/Adams Field, AR · 1,088 departures · most delay from airline issues75.6%24 min1.3%
44Greenville/Greer/Spartanburg (GSP)Greenville-Spartanburg Intl, SC · 1,153 departures · most delay from airline issues75.3%21 min2.1%
45Providence/Warwick (PVD)Rhode Island T. F. Green Intl, RI · 1,252 departures · most delay from airline issues75.2%21 min1.7%
46Dayton (DAY)James M. Cox Dayton Intl, OH · 659 departures · most delay from airline issues74.8%28 min2.6%
47Pensacola (PNS)Pensacola Intl, FL · 991 departures · most delay from airline issues74.6%33 min2.8%
48Norfolk (ORF)Norfolk Intl, VA · 1,645 departures · most delay from airline issues74.3%24 min2.1%
49Madison (MSN)Dane County Rgnl Truax Field, WI · 1,029 departures · most delay from airline issues74.2%31 min3.1%
50Anchorage (ANC)Ted Stevens Anchorage Intl, AK · 1,316 departures · most delay from airline issues74.1%21 min2.6%
51Bozeman (BZN)Bozeman Yellowstone Intl, MT · 941 departures · most delay from airline issues74.1%24 min1.0%
52Myrtle Beach (MYR)Myrtle Beach Intl, SC · 823 departures · most delay from airline issues74.1%24 min2.1%
53Huntsville (HSV)Huntsville Intl, AL · 631 departures · most delay from airline issues74.0%30 min1.1%
54Punta Gorda (PGD)Punta Gorda, FL · 817 departures · most delay from air traffic control and volume73.9%19 min0.5%
55Columbia (CAE)Columbia Metropolitan, SC · 427 departures · most delay from airline issues72.9%24 min1.6%
56Key West (EYW)Key West Intl, FL · 866 departures · most delay from airline issues72.7%24 min0.9%
57Asheville (AVL)Asheville Rgnl, NC · 715 departures · most delay from airline issues72.7%27 min1.7%
58Orlando (SFB)Orlando Sanford Intl, FL · 968 departures · most delay from airline issues72.6%24 min0.8%
59Albany (ALB)Albany Intl, NY · 1,077 departures · most delay from airline issues72.2%31 min2.6%
60Richmond (RIC)Richmond Intl, VA · 1,616 departures · most delay from airline issues72.0%27 min2.6%
61Pinellas Park (PIE)St. Petersburg Clearwater Intl, FL · 786 departures · most delay from airline issues72.0%19 min1.5%
62Hartford (BDL)Bradley Intl, CT · 1,837 departures · most delay from airline issues71.9%21 min1.7%
63Des Moines (DSM)Des Moines Intl, IA · 1,262 departures · most delay from weather71.0%32 min3.7%
64Lexington (LEX)Blue Grass, KY · 586 departures · most delay from airline issues71.0%28 min2.4%
65Buffalo (BUF)Buffalo Niagara Intl, NY · 1,649 departures · most delay from airline issues70.0%26 min5.5%
66Syracuse (SYR)Syracuse Hancock Intl, NY · 864 departures · most delay from airline issues69.9%33 min3.1%
67Knoxville/Maryville (TYS)McGhee Tyson, TN · 969 departures · most delay from airline issues69.7%32 min1.3%
68Cedar Rapids (CID)The Eastern Iowa, IA · 642 departures · most delay from airline issues69.6%43 min5.6%
69Appleton (ATW)Appleton Intl, WI · 617 departures · most delay from airline issues69.1%33 min1.9%
70Fargo (FAR)Hector Intl, ND · 539 departures · most delay from airline issues68.6%32 min2.0%
71Harrisburg (MDT)Harrisburg Intl, PA · 443 departures · most delay from airline issues68.4%32 min2.3%
72Jackson (JAC)Jackson Hole, WY · 446 departures · most delay from airline issues68.3%49 min3.1%
73Grand Rapids (GRR)Gerald R. Ford Intl, MI · 1,579 departures · most delay from airline issues67.9%29 min1.9%
74Peoria (PIA)General Wayne A. Downing Peoria Intl, IL · 459 departures · most delay from airline issues67.4%30 min4.4%
75Rochester (ROC)Frederick Douglass Greater Rochester Intl, NY · 808 departures · most delay from airline issues65.5%35 min3.1%
76White Plains (HPN)Westchester County, NY · 905 departures · most delay from airline issues65.2%38 min4.2%
77Santa Rosa (STS)Charles M. Schulz Sonoma County, CA · 406 departures · most delay from weather64.9%30 min8.9%
78South Bend (SBN)South Bend Intl, IN · 676 departures · most delay from airline issues64.8%49 min2.1%
79Sioux Falls (FSD)Sioux Falls Rgnl, SD · 687 departures · most delay from airline issues63.8%42 min2.3%
80Islip (ISP)Long Island MacArthur, NY · 458 departures · most delay from airline issues63.8%29 min2.4%
81Fort Wayne (FWA)Fort Wayne Intl, IN · 544 departures · most delay from airline issues61.5%47 min2.2%
82Aspen (ASE)Aspen-Pitkin County Airport (Sardy Field), CO · 803 departures · most delay from air traffic control and volume60.6%47 min4.0%

By month

Delays follow the seasons: summer storms and winter weather hit different airports. Pick a month:

Frequently asked

What counts as an on-time departure?
The US Department of Transportation counts a flight as on time when it leaves the gate less than 15 minutes after its scheduled departure time. Cancelled and diverted flights are not counted as on time.
Which month has the most flight delays in the US?
In the last 12 months of data, July was the worst month nationally, with 71.4% of departures on time, and September was the best at 83.5%.
Why are airports grouped by size?
A hub with 300,000 departures a year deals with very different congestion than a regional airport, so each airport is ranked against airports of a similar size. Airports with fewer than 5,000 departures a year are not ranked.
Does a low ranking mean I should avoid an airport?
Not necessarily. These are historical averages. Leaving early in the day, picking the most reliable flight on your route, and checking FAA delays before you go matter more than the airport alone.

Most delayed airports in December

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Historical averages, not a prediction. Source: US Department of Transportation, Bureau of Transportation Statistics on-time reports for US airlines that report to the DOT. ATIS Alerts is not affiliated with any airline or airport.