Route
AUS → IAH
Austin Bergstrom International Airport George Bush Intercontinental Airport
How punctual is this route?
- On-time arrivals
- 77.2%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,670
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 45%
- Late-arriving aircraft 30%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.1% | 237 |
| October 2025 | 62.0% | 237 |
| November 2025 | 67.4% | 221 |
| December 2025 | 82.3% | 232 |
| January 2026 | 92.2% | 239 |
| February 2026 | 93.4% | 213 |
| March 2026 | 75.3% | 235 |
| April 2026 | 77.6% | 230 |
| May 2026 | 66.5% | 228 |
| June 2026 | 68.0% | 201 |
| July 2026 | 76.1% | 209 |
| August 2026 | 89.9% | 188 |
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 | 2,643 | 77.0% | 1.0% | 64 min |
| SkyWest Airlines | 27 | 92.6% | 0.0% | 91 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1326
31% late · 339 flights
-
UA2196
23% late · 334 flights
-
UA1966
5% late · 327 flights
-
UA1747
28% late · 305 flights
-
UA334
15% late · 213 flights
-
UA656
33% late · 208 flights
-
UA685
33% late · 208 flights
-
UA1871
16% late · 192 flights
-
UA2393
38% late · 155 flights
-
UA1646
13% late · 55 flights
-
UA2289
17% late · 53 flights
-
UA464
34% late · 52 flights
-
UA789
7% late · 46 flights
-
UA220
0% late · 24 flights
-
UA1338
26% late · 23 flights
-
UA234
43% late · 23 flights
-
UA2013
5% late · 21 flights
-
UA263
5% late · 21 flights
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