Route
IAH → LAX
George Bush Intercontinental Airport Los Angeles International Airport
How punctual is this route?
- On-time arrivals
- 84.1%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,147
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 36%
- Air traffic control & airport 18%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.6% | 440 |
| October 2025 | 84.6% | 493 |
| November 2025 | 80.6% | 446 |
| December 2025 | 84.0% | 448 |
| January 2026 | 86.1% | 437 |
| February 2026 | 85.6% | 398 |
| March 2026 | 85.7% | 446 |
| April 2026 | 82.3% | 437 |
| May 2026 | 84.1% | 422 |
| June 2026 | 79.2% | 397 |
| July 2026 | 81.4% | 414 |
| August 2026 | 89.4% | 369 |
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 | 3,421 | 85.7% | 0.2% | 63 min |
| Delta Air Lines | 648 | 87.7% | 0.9% | 76 min |
| SkyWest Airlines | 408 | 79.3% | 0.5% | 81 min |
| Frontier Airlines | 336 | 71.8% | 0.9% | 63 min |
| NK | 333 | 78.9% | 1.5% | 74 min |
| American Airlines | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1216
7% late · 365 flights
-
UA2460
11% late · 365 flights
-
UA1743
17% late · 360 flights
-
UA2600
9% late · 355 flights
-
UA469
11% late · 349 flights
-
F91755
28% late · 334 flights
-
UA2095
23% late · 323 flights
-
UA1945
12% late · 286 flights
-
UA2431
5% late · 261 flights
-
UA2658
18% late · 198 flights
-
OO4916
18% late · 131 flights
-
UA434
21% late · 108 flights
-
DL1143
23% late · 104 flights
-
NK1258
23% late · 97 flights
-
UA1706
26% late · 92 flights
-
UA483
23% late · 90 flights
-
DL1795
19% late · 81 flights
-
OO5005
23% late · 75 flights
-
NK2321
24% late · 58 flights
-
NK3225
13% late · 55 flights
-
UA1381
23% late · 53 flights
-
UA417
2% late · 50 flights
-
UA2110
0% late · 47 flights
-
DL971
18% late · 46 flights
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Headlines found by Google News; stories open on the publisher's site.
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