Route
IAH → DFW
George Bush Intercontinental Airport Dallas Fort Worth International Airport
How punctual is this route?
- On-time arrivals
- 76.4%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 102 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,800
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 19%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.6% | 498 |
| October 2025 | 80.6% | 503 |
| November 2025 | 72.3% | 475 |
| December 2025 | 75.1% | 499 |
| January 2026 | 83.0% | 475 |
| February 2026 | 85.4% | 413 |
| March 2026 | 80.0% | 488 |
| April 2026 | 74.6% | 524 |
| May 2026 | 71.4% | 518 |
| June 2026 | 64.6% | 464 |
| July 2026 | 72.6% | 482 |
| August 2026 | 77.7% | 461 |
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 |
|---|---|---|---|---|
| American Airlines | 2,513 | 75.2% | 3.0% | 124 min |
| United Airlines | 2,459 | 76.8% | 1.4% | 76 min |
| Envoy Air | 710 | 79.0% | 2.7% | 110 min |
| SkyWest Airlines | 83 | 76.9% | 6.0% | 72 min |
| OH | 35 | 82.4% | 2.9% | 265 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA2551
10% late · 365 flights
-
UA1949
30% late · 339 flights
-
UA1388
24% late · 334 flights
-
UA358
14% late · 228 flights
-
UA1535
31% late · 217 flights
-
AA700
9% late · 209 flights
-
UA1439
28% late · 191 flights
-
UA2074
19% late · 170 flights
-
UA584
18% late · 168 flights
-
AA3152
17% late · 156 flights
-
AA3002
19% late · 136 flights
-
AA2432
14% late · 114 flights
-
AA2438
32% late · 113 flights
-
MQ3947
18% late · 103 flights
-
AA2851
25% late · 102 flights
-
MQ4113
19% late · 85 flights
-
UA1407
22% late · 79 flights
-
AA1916
34% late · 75 flights
-
MQ3583
29% late · 71 flights
-
UA750
16% late · 70 flights
-
AA2512
52% late · 65 flights
-
MQ3591
33% late · 64 flights
-
AA1407
13% late · 62 flights
-
AA3193
23% late · 62 flights
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