Route
IAH → PHX
George Bush Intercontinental Airport Phoenix Sky Harbor International Airport
How punctual is this route?
- On-time arrivals
- 79.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,980
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 15%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.4% | 191 |
| October 2025 | 75.1% | 254 |
| November 2025 | 71.0% | 266 |
| December 2025 | 87.4% | 270 |
| January 2026 | 86.8% | 254 |
| February 2026 | 90.9% | 242 |
| March 2026 | 78.4% | 302 |
| April 2026 | 84.1% | 248 |
| May 2026 | 75.0% | 256 |
| June 2026 | 67.9% | 235 |
| July 2026 | 75.8% | 245 |
| August 2026 | 84.7% | 217 |
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 | 1,776 | 82.7% | 0.2% | 66 min |
| American Airlines | 632 | 80.0% | 1.6% | 156 min |
| Frontier Airlines | 306 | 67.5% | 1.0% | 77 min |
| SkyWest Airlines | 185 | 68.3% | 2.7% | 76 min |
| Envoy Air | 81 | 87.7% | 0.0% | 250 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2078
27% late · 359 flights
-
UA1895
12% late · 306 flights
-
UA1798
14% late · 267 flights
-
F91703
31% late · 213 flights
-
UA2614
6% late · 174 flights
-
F94181
34% late · 89 flights
-
AA1937
25% late · 74 flights
-
UA278
7% late · 74 flights
-
AA2710
23% late · 65 flights
-
UA2406
32% late · 63 flights
-
UA1507
29% late · 56 flights
-
OO4885
33% late · 47 flights
-
OO4904
20% late · 47 flights
-
UA1238
13% late · 47 flights
-
UA2432
40% late · 47 flights
-
AA640
22% late · 46 flights
-
AA3076
23% late · 44 flights
-
OO6281
44% late · 37 flights
-
UA1589
8% late · 37 flights
-
UA673
24% late · 37 flights
-
AA1242
9% late · 35 flights
-
AA971
18% late · 35 flights
-
UA2617
14% late · 35 flights
-
AA2963
16% late · 33 flights
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