Route
DFW → IAD
Dallas Fort Worth International Airport Washington Dulles International Airport
How punctual is this route?
- On-time arrivals
- 77.4%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,962
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 17%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.5% | 185 |
| October 2025 | 79.1% | 173 |
| November 2025 | 73.2% | 143 |
| December 2025 | 76.1% | 138 |
| January 2026 | 88.8% | 140 |
| February 2026 | 84.9% | 139 |
| March 2026 | 76.7% | 149 |
| April 2026 | 84.1% | 152 |
| May 2026 | 76.5% | 175 |
| June 2026 | 68.8% | 196 |
| July 2026 | 67.0% | 196 |
| August 2026 | 70.9% | 176 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 929 | 83.6% | 0.9% | 85 min |
| American Airlines | 849 | 70.7% | 2.5% | 77 min |
| Frontier Airlines | 175 | 77.6% | 2.9% | 90 min |
| Republic Airways | 9 | 55.6% | 0.0% | 106 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1240
23% late · 328 flights
-
UA358
16% late · 320 flights
-
UA2639
9% late · 281 flights
-
AA1291
34% late · 176 flights
-
F93208
22% late · 175 flights
-
AA2414
29% late · 156 flights
-
AA1863
24% late · 88 flights
-
AA1132
53% late · 76 flights
-
AA524
15% late · 75 flights
-
AA1906
18% late · 74 flights
-
AA1904
38% late · 73 flights
-
AA2131
28% late · 44 flights
-
AA2856
17% late · 44 flights
-
AA2756
27% late · 35 flights
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