Most On-Time Flights from Dulles (IAD)
The most reliable flight out of Washington Dulles Intl is United 1789 to San Antonio (SAT), leaving at 8:15 AM: on time 94% of the time over 273 flights. Across its 45 regular routes, flights from IAD arrived on time 80% of the time.
From US DOT on-time records, Jun 2025 to May 2026.
- Departures a year
- 55,143
- Regular routes
- 45
- Arrived on time
- 80%
- Data
- Jun 2025 to May 2026
The 25 most on-time flights from IAD
| # | Flight | Route | Departs | On time |
|---|---|---|---|---|
| 1 | United 1789Boeing 737 MAX 9 | to San Antonio (SAT) | 8:15 AM → 11:03 AM | 94%273 flights |
| 2 | United 1930Boeing 737 MAX 9 | to San Diego (SAN) | 8:31 AM → 11:16 AM | 94%329 flights |
| 3 | United 1108Boeing 737 MAX 8 | to Charleston (CHS) | 8:35 AM → 10:23 AM | 93%246 flights |
| 4 | United 1323Boeing 737 MAX 9 or 757-300 | to Las Vegas (LAS) | 9:00 AM → 11:21 AM | 93%340 flights |
| 5 | United 2669Boeing 737 MAX 9 | to Newark (EWR) | 6:00 AM → 7:17 AM | 95%293 flights |
| 6 | United 1406Boeing 737 MAX 8 or 737-900ER | to Fort Myers (RSW) | 9:00 AM → 11:46 AM | 93%228 flights |
| 7 | Republic 3561Embraer E175 | to Indianapolis (IND) | 8:26 AM → 10:22 AM | 92%313 flights |
| 8 | United 1587Boeing 737-900ER | to Denver (DEN) | 12:43 PM → 2:48 PM | 91%288 flights |
| 9 | United 637Boeing 737 MAX 9 | to Austin (AUS) | 8:23 AM → 11:08 AM | 92%283 flights |
| 10 | United 726Boeing 737-700 or Airbus A319 | to Pittsburgh (PIT) | 8:33 AM → 9:34 AM | 91%145 flights |
| 11 | United 1524Boeing 737-900ER | to Houston (IAH) | 8:30 AM → 11:03 AM | 91%332 flights |
| 12 | United 1095Boeing 757-200 | to San Francisco (SFO) | 6:30 AM → 9:30 AM | 90%321 flights |
| 13 | United 1926Boeing 737-900ER | to Orlando (MCO) | 9:50 AM → 12:21 PM | 90%298 flights |
| 14 | United 641Boeing 737 MAX 9 | to Boston (BOS) | 8:22 AM → 10:04 AM | 90%340 flights |
| 15 | United 1825Boeing 737-900ER | to Fort Lauderdale (FLL) | 8:15 AM → 11:04 AM | 90%259 flights |
| 16 | United 2253Boeing 737-900ER or 737 MAX 8 | to New Orleans (MSY) | 9:00 AM → 10:51 AM | 90%220 flights |
| 17 | United 683Boeing 737-900ER | to Tampa (TPA) | 9:00 AM → 11:33 AM | 90%348 flights |
| 18 | United 2471Airbus A319 | to Dallas-Fort Worth (DFW) | 8:35 AM → 11:11 AM | 90%133 flights |
| 19 | United 2739Boeing 737 MAX 8 or 737-700 | to Atlanta (ATL) | 8:29 AM → 10:29 AM | 89%240 flights |
| 20 | United 1689Boeing 737-900ER | to Los Angeles (LAX) | 12:40 PM → 3:29 PM | 89%363 flights |
| 21 | SkyWest 3996Embraer E175 | to Minneapolis (MSP) | 7:00 AM → 9:05 AM | 90%247 flights |
| 22 | United 2084Boeing 737 MAX 9 | to Jacksonville (JAX) | 8:59 AM → 11:09 AM | 89%253 flights |
| 23 | United 379Boeing 737 MAX 9 or 737-900ER | to Orlando (MCO) | 8:30 AM → 11:00 AM | 89%322 flights |
| 24 | United 2277Boeing 737-800 or 737-900ER | to Tampa (TPA) | 12:50 PM → 3:23 PM | 88%349 flights |
| 25 | United 2156Boeing 737-900ER or 737 MAX 9 | to Las Vegas (LAS) | 12:59 PM → 3:21 PM | 88%217 flights |
The most on-time flight on each route from IAD
Busiest route first. Tap a route for every flight on it.
| To | Most on-time flight | Its on-time rate | Route average |
|---|---|---|---|
| Atlanta (ATL)3,946 flights a year | United 2739departs 8:29 AM | 89% | 78% |
| Denver (DEN)3,624 flights a year | United 1587departs 12:43 PM | 91% | 81% |
| San Francisco (SFO)2,828 flights a year | United 1095departs 6:30 AM | 90% | 79% |
| Los Angeles (LAX)2,427 flights a year | United 1689departs 12:40 PM | 89% | 80% |
| Orlando (MCO)2,204 flights a year | United 1926departs 9:50 AM | 90% | 81% |
| Chicago (ORD)2,024 flights a year | United 1775departs 8:20 AM | 82% | 75% |
| Seattle (SEA)1,926 flights a year | Alaska 351departs 7:00 AM | 79% | 76% |
| Dallas-Fort Worth (DFW)1,920 flights a year | United 2471departs 8:35 AM | 90% | 77% |
| Houston (IAH)1,865 flights a year | United 1524departs 8:30 AM | 91% | 83% |
| Boston (BOS)1,487 flights a year | United 641departs 8:22 AM | 90% | 75% |
| Newark (EWR)1,473 flights a year | United 2669departs 6:00 AM | 95% | 73% |
| Tampa (TPA)1,412 flights a year | United 683departs 9:00 AM | 90% | 79% |
| San Diego (SAN)1,400 flights a year | United 1930departs 8:31 AM | 94% | 84% |
| Raleigh/Durham (RDU)1,334 flights a year | United 1357departs 12:53 PM | 86% | 83% |
| Pittsburgh (PIT)1,282 flights a year | United 726departs 8:33 AM | 91% | 84% |
| Phoenix (PHX)1,154 flights a year | United 1938departs 5:37 PM | 78% | 80% |
| Columbus (CMH)1,129 flights a year | Republic 3646departs 10:10 PM | 80% | 80% |
| Las Vegas (LAS)1,129 flights a year | United 1323departs 9:00 AM | 93% | 84% |
| Austin (AUS)1,074 flights a year | United 637departs 8:23 AM | 92% | 83% |
| Hartford (BDL)1,071 flights a year | United 2268departs 5:15 PM | 82% | 86% |
| Nashville (BNA)1,039 flights a year | United 2264departs 5:47 PM | 77% | 83% |
| Indianapolis (IND)1,022 flights a year | Republic 3561departs 8:26 AM | 92% | 83% |
| Cleveland (CLE)984 flights a year | United 2131departs 10:33 PM | 86% | 84% |
| New York (LGA)979 flights a year | Republic 3413departs 10:08 PM | 76% | 74% |
| Minneapolis (MSP)893 flights a year | SkyWest 3996departs 7:00 AM | 90% | 85% |
| Jacksonville (JAX)763 flights a year | United 2084departs 8:59 AM | 89% | 83% |
| Charleston (CHS)761 flights a year | United 1108departs 8:35 AM | 93% | 86% |
| Fort Lauderdale (FLL)742 flights a year | United 1825departs 8:15 AM | 90% | 83% |
| Salt Lake City (SLC)715 flights a year | Delta 432departs 7:20 AM | 83% | 82% |
| SJU (SJU)688 flights a year | United 2021departs 8:34 AM | 88% | 75% |
| Miami (MIA)668 flights a year | United 1073departs 8:35 AM | 85% | 79% |
| New Orleans (MSY)649 flights a year | United 2253departs 9:00 AM | 90% | 85% |
| San Antonio (SAT)636 flights a year | United 1789departs 8:15 AM | 94% | 85% |
| Fort Myers (RSW)468 flights a year | United 1406departs 9:00 AM | 93% | 88% |
| Sacramento (SMF)365 flights a year | United 2435departs 5:55 PM | 76% | 75% |
| Johnstown (JST)347 flights a year | SkyWest 5022departs 12:40 PM | 74% | 73% |
| STT (STT)328 flights a year | United 1443departs 8:15 AM | 87% | 88% |
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Historical odds, not a guarantee. Built from US Department of Transportation on-time reports for US airlines that report to the DOT; on time = arrived less than 15 minutes late. Schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline.