Route
IAD → DFW
Washington Dulles International Airport Dallas Fort Worth International Airport
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 109 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,961
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 38%
- Air traffic control & airport 15%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.0% | 185 |
| October 2025 | 83.6% | 173 |
| November 2025 | 78.4% | 143 |
| December 2025 | 69.6% | 138 |
| January 2026 | 86.2% | 138 |
| February 2026 | 85.7% | 140 |
| March 2026 | 79.9% | 149 |
| April 2026 | 75.5% | 152 |
| May 2026 | 74.6% | 175 |
| June 2026 | 66.7% | 196 |
| July 2026 | 71.0% | 196 |
| August 2026 | 70.5% | 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 | 928 | 80.0% | 0.5% | 85 min |
| American Airlines | 849 | 74.4% | 2.5% | 117 min |
| Frontier Airlines | 175 | 70.8% | 3.4% | 167 min |
| Republic Airways | 9 | 66.7% | 0.0% | 74 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2116
30% late · 350 flights
-
AA2617
15% late · 335 flights
-
UA1564
20% late · 198 flights
-
UA2471
12% late · 191 flights
-
AA2414
30% late · 151 flights
-
AA524
24% late · 103 flights
-
F94559
36% late · 96 flights
-
F93207
20% late · 79 flights
-
AA1906
22% late · 75 flights
-
AA1904
48% late · 73 flights
-
AA1863
31% late · 68 flights
-
AA2131
56% late · 44 flights
-
UA330
6% late · 37 flights
-
UA769
15% late · 36 flights
-
UA2163
6% late · 31 flights
-
UA2314
7% late · 30 flights
-
UA1840
12% late · 24 flights
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