Route
PHX → IAH
Phoenix Sky Harbor International Airport George Bush Intercontinental Airport
How punctual is this route?
- On-time arrivals
- 81.8%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,977
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.7% | 191 |
| October 2025 | 78.7% | 254 |
| November 2025 | 78.6% | 266 |
| December 2025 | 87.6% | 269 |
| January 2026 | 88.7% | 251 |
| February 2026 | 90.1% | 244 |
| March 2026 | 74.1% | 301 |
| April 2026 | 83.3% | 249 |
| May 2026 | 80.2% | 257 |
| June 2026 | 75.2% | 234 |
| July 2026 | 74.0% | 245 |
| August 2026 | 87.7% | 216 |
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 | 1,772 | 85.6% | 0.4% | 91 min |
| American Airlines | 631 | 74.4% | 1.4% | 70 min |
| Frontier Airlines | 306 | 80.5% | 0.7% | 65 min |
| SkyWest Airlines | 185 | 72.2% | 2.7% | 84 min |
| Envoy Air | 83 | 81.7% | 0.0% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1318
8% late · 233 flights
-
F94184
21% late · 181 flights
-
UA378
12% late · 172 flights
-
UA1885
21% late · 165 flights
-
UA1373
22% late · 158 flights
-
UA477
6% late · 130 flights
-
F91704
17% late · 123 flights
-
AA2357
39% late · 112 flights
-
UA2858
16% late · 106 flights
-
UA2198
19% late · 70 flights
-
UA1076
26% late · 66 flights
-
AA2710
25% late · 65 flights
-
AA3232
20% late · 58 flights
-
UA1477
15% late · 55 flights
-
UA1932
7% late · 54 flights
-
AA640
26% late · 47 flights
-
OO4885
33% late · 47 flights
-
OO4904
27% late · 47 flights
-
UA2812
30% late · 47 flights
-
AA3076
14% late · 44 flights
-
OO6281
33% late · 37 flights
-
UA1148
5% late · 37 flights
-
UA2042
5% late · 37 flights
-
UA2249
14% late · 37 flights
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