Route · IAH → PHX · 2020–2025 BTS data
Houston to Phoenix
The IAH–PHX corridor (Houston, TX → Phoenix, AZ) runs ahead of the national average, served by 41 carriers across roughly 1,009 miles.
Data updated 2026-06-13
- 82.4%
- On-time
- +3.4 pts
- vs US avg
- 87 min
- Delay when late
- 14,724
- Flights
Cancelled
1.2%
Best Month
Oct 2024 88%
Worst Month
Jun 2025 61%
Distance
1,009 mi
Carriers
41
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 270 | 34 | 0 | 0 | F9,AA,MQ,UA,OO |
| Nov 2025 | 266 | 76 | 4 | 0 | UA,F9,AA |
| Oct 2025 | 254 | 63 | 0 | 1 | AA,UA,F9 |
| Sep 2025 | 191 | 33 | 1 | 2 | UA,F9,AA |
| Aug 2025 | 197 | 53 | 2 | 0 | AA,F9,MQ,UA |
| Jul 2025 | 215 | 63 | 3 | 0 | AA,UA,F9,MQ |
| Jun 2025 | 217 | 85 | 6 | 1 | AA,OO,UA,F9,MQ |
| May 2025 | 285 | 69 | 2 | 0 | AA,OO,UA,F9,MQ |
| Apr 2025 | 338 | 52 | 2 | 0 | F9,MQ,OO,UA |
| Mar 2025 | 343 | 61 | 1 | 0 | OO,UA,F9,MQ |
| Feb 2025 | 257 | 35 | 2 | 0 | AA,OO,UA,F9,MQ |
| Jan 2025 | 228 | 41 | 8 | 0 | AA,OO,UA,F9,MQ |
| Dec 2024 | 249 | 49 | 1 | 0 | AA,F9,MQ,OO,UA |
| Nov 2024 | 229 | 29 | 1 | 0 | OO,UA,MQ,F9,AA |
| Oct 2024 | 225 | 27 | 1 | 0 | UA,OO,F9,AA |
| Sep 2024 | 192 | 34 | 0 | 0 | OO,UA,AA,F9 |
| Aug 2024 | 194 | 45 | 3 | 0 | AA,F9,MQ,OO,UA |
| Jul 2024 | 206 | 78 | 18 | 2 | AA,F9,MQ,OO,UA |
| Jun 2024 | 204 | 71 | 0 | 2 | AA,F9,OO,UA |
| May 2024 | 214 | 73 | 4 | 0 | AA,F9,OO,UA |
| Apr 2024 | 224 | 51 | 0 | 0 | AA,F9,OO,UA |
| Mar 2024 | 235 | 52 | 1 | 1 | AA,F9,OO,UA |
| Feb 2024 | 197 | 34 | 0 | 0 | AA,F9,OO,UA |
| Jan 2024 | 210 | 43 | 5 | 0 | F9,MQ,OO,UA |
Cancellation Rate
1.2%
65 of 5,640 flights
Diversion Rate
0.2%
9 of 5,640 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Destination airport →Compare the two airports
See IAH and PHX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–PHX.
Routes with a similar on-time rate
What the Data Says About IAH to PHX
Bureau of Transportation Statistics records show Houston to Phoenix (IAH to PHX) running a 82.4% on-time rate over 14,724 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 86.6 minutes. The 1,009-mile corridor is served by 41 carriers, and over the last 24 months 1.2% of 5,640 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 88% on-time, while Jun 2025 came in at just 61% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.