Route
PHX → HOU
Phoenix Sky Harbor International Airport William P. Hobby Airport
How punctual is this route?
- On-time arrivals
- 71.4%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,124
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 13%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.7% | 150 |
| October 2025 | 77.1% | 192 |
| November 2025 | 66.5% | 190 |
| December 2025 | 73.6% | 198 |
| January 2026 | 86.4% | 169 |
| February 2026 | 80.4% | 158 |
| March 2026 | 47.4% | 197 |
| April 2026 | 72.5% | 193 |
| May 2026 | 65.5% | 197 |
| June 2026 | 61.1% | 158 |
| July 2026 | 69.0% | 158 |
| August 2026 | 78.0% | 164 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 2,124 | 71.4% | 0.5% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1997
8% late · 64 flights
-
WN4315
57% late · 60 flights
-
WN4668
10% late · 60 flights
-
WN3151
5% late · 58 flights
-
WN3565
50% late · 58 flights
-
WN3795
3% late · 58 flights
-
WN3798
45% late · 58 flights
-
WN4567
33% late · 58 flights
-
WN3796
5% late · 57 flights
-
WN2833
12% late · 51 flights
-
WN4053
28% late · 50 flights
-
WN2707
53% late · 49 flights
-
WN3254
11% late · 47 flights
-
WN477
16% late · 46 flights
-
WN3067
35% late · 43 flights
-
WN1144
51% late · 42 flights
-
WN3546
7% late · 42 flights
-
WN3154
24% late · 41 flights
-
WN4203
64% late · 36 flights
-
WN1140
9% late · 33 flights
-
WN1523
70% late · 33 flights
-
WN1931
42% late · 33 flights
-
WN4217
70% late · 33 flights
-
WN2035
65% late · 31 flights
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