Route
IAH → AUS
George Bush Intercontinental Airport Austin Bergstrom International Airport
How punctual is this route?
- On-time arrivals
- 80.2%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,671
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 24%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.8% | 237 |
| October 2025 | 80.2% | 237 |
| November 2025 | 72.5% | 222 |
| December 2025 | 80.1% | 231 |
| January 2026 | 85.8% | 239 |
| February 2026 | 90.1% | 213 |
| March 2026 | 79.0% | 235 |
| April 2026 | 83.9% | 230 |
| May 2026 | 75.4% | 228 |
| June 2026 | 73.1% | 201 |
| July 2026 | 68.9% | 209 |
| August 2026 | 83.6% | 189 |
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 | 2,645 | 80.1% | 0.7% | 67 min |
| SkyWest Airlines | 26 | 88.5% | 0.0% | 83 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1711
32% late · 333 flights
-
UA1859
17% late · 327 flights
-
UA2621
26% late · 326 flights
-
UA1179
19% late · 316 flights
-
UA2483
17% late · 243 flights
-
UA1980
18% late · 208 flights
-
UA1823
21% late · 148 flights
-
UA2393
8% late · 141 flights
-
UA2674
35% late · 100 flights
-
UA2016
6% late · 47 flights
-
UA565
17% late · 37 flights
-
UA779
14% late · 36 flights
-
UA2070
12% late · 33 flights
-
UA2221
28% late · 32 flights
-
UA1701
10% late · 31 flights
-
UA2690
26% late · 31 flights
-
UA587
6% late · 31 flights
-
UA2744
7% late · 28 flights
-
UA1490
9% late · 24 flights
-
UA783
8% late · 24 flights
-
UA1533
9% late · 23 flights
-
UA1287
5% late · 21 flights
-
UA1499
5% late · 21 flights
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