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Route on-time record

ORD to DAY: most on-time flights and the best time to fly

Chicago (Chicago O'Hare International Airport) to Dayton (James M. Cox Dayton International Airport). 1,801 nonstop flights in Jun 2025 to May 2026, 65% arrived within 15 minutes and 4.7% were cancelled. The most reliable flight number was Envoy 3411 at 9:41 AM.

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ORD → DAY

Chicago to Dayton: 1,801 nonstop flights a year

On time (12 months)

65%

Cancelled

4.7%

avg delay 43 min

Best time to leave

3 to 6 PM

73% on time vs 57% 6 to 9 PM

Most reliable airline

Envoy

73% chance on time

Check ORD to DAY fares

Lowest nonstop fare seen in the next two months: $229 (United 5626 on 2026-10-24). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Envoy 3411 · sold as American Eagle

    9:41 AM → 12:03 PM1h 22m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    80%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (14 flights, Jun 2025 to May 2026).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 43% of its 237 ground stops and delay programs started).

    Limited track record · 14 flights

    Find 9:41 AM flight fares Opens this date on Aviasales

  2. #2 · Envoy 3687 · sold as American Eagle

    3:01 PM → 5:24 PM1h 23m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    78%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (3 to 6 PM: 73% on time; 6 to 9 PM: 57%).
    • Departs inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 11 flights

    Find 3:01 PM flight fares Opens this date on Aviasales

  3. #3 · Envoy 3451 · sold as American Eagle

    7:54 PM → 10:16 PM1h 22m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    71%

    chance on time

    On time (history)
    86%
    Cancelled
    0.0%
    Avg arrival delay
    12 min
    • Arrived on time 86% of the time (14 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 57% on time; 3 to 6 PM: 73%).
    • Departs inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.
    • 67% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 14 flights

    Find 7:54 PM flight fares Opens this date on Aviasales

  4. #4 · SkyWest 5810 · sold as United Express, Delta Connection, American Eagle or Alaska

    2:44 PM → 5:14 PM1h 30m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    65%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
    • Departs inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 11 flights

    Find 2:44 PM flight fares Opens this date on Aviasales

  5. #5 · SkyWest 6347 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:06 AM → 11:30 AM1h 24m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    63%

    chance on time

    On time (history)
    78%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 78% of the time (9 flights, Jun 2025 to May 2026).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 43% of its 237 ground stops and delay programs started).

    Limited track record · 9 flights

    Find 9:06 AM flight fares Opens this date on Aviasales

  6. #6 · SkyWest 4998 · sold as United Express, Delta Connection, American Eagle or Alaska

    3:42 PM → 6:09 PM1h 27m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    58%

    chance on time

    On time (history)
    59%
    Cancelled
    6.8%
    Avg arrival delay
    26 min
    • Arrived on time 59% of the time (41 flights, Jun 2025 to May 2026).
    • Cancelled 6.8% of the time (3 of 44).
    • Leaves in this route's most on-time window (3 to 6 PM: 73% on time; 6 to 9 PM: 57%).
    • Departs inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 41 flights

    Find 3:42 PM flight fares Opens this date on Aviasales

  7. #7 · SkyWest 6321 · sold as United Express, Delta Connection, American Eagle or Alaska

    1:20 PM → 3:45 PM1h 25m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5423; its record covers all of them.

    57%

    chance on time

    On time (history)
    57%
    Cancelled
    3.2%
    Avg arrival delay
    33 min
    • Arrived on time 57% of the time (30 flights, Jun 2025 to May 2026).
    • Cancelled 3.2% of the time (1 of 31).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 43% of its 237 ground stops and delay programs started).

    Limited track record · 30 flights

    Find 1:20 PM flight fares Opens this date on Aviasales

  8. #8 · SkyWest 6323 · sold as United Express, Delta Connection, American Eagle or Alaska

    8:20 PM → 10:43 PM1h 23m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    56%

    chance on time

    On time (history)
    64%
    Cancelled
    0.0%
    Avg arrival delay
    28 min
    • Arrived on time 64% of the time (11 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 57% on time; 3 to 6 PM: 73%).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 43% of its 237 ground stops and delay programs started).

    Limited track record · 11 flights

    Find 8:20 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Envoy Air (sold as American Eagle)73%

    325 flights · 79% on time as flown · 3.4% cancel

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)60%

    501 flights · 63% on time as flown · 5.2% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • 9 AM to noon69%

    479 flights · avg delay 37 min

  • Noon to 3 PM65%

    471 flights · avg delay 42 min

  • 3 to 6 PM73%

    213 flights · avg delay 22 min

  • 6 to 9 PM57%

    485 flights · avg delay 66 min

  • After 9 PM71%

    108 flights · avg delay 19 min

Best day: Saturday (78%). Worst: Sunday (70%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
63
F
70
M
76
A
77
M
75
J
73
J
70
A
75
S
78
O
78
N
75
D
67

What delays this route

  • Late-arriving aircraft59%
  • Airline (crew, maintenance, boarding)18%
  • Severe weather12%
  • Air traffic control and airport volume11%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from ORD to DAY…

ORD to DAY questions

What time of day is best to fly ORD to DAY?
3 to 6 PM: 73% of flights arrived on time, against 57% for departures 6 to 9 PM.
Which airline is most on time from ORD to DAY?
Envoy, with a season-adjusted 73% chance of operating and arriving on time over 325 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on ORD to DAY?
January (63% on time); the best was September (78%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from ORD

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Live status: FAA delays and ground stops