Route
HRL → HOU
Valley International Airport William P. Hobby Airport
How punctual is this route?
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,165
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Air traffic control & airport 32%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.3% | 112 |
| October 2025 | 86.4% | 119 |
| November 2025 | 85.7% | 105 |
| December 2025 | 85.8% | 106 |
| January 2026 | 90.1% | 92 |
| February 2026 | 87.4% | 87 |
| March 2026 | 57.8% | 90 |
| April 2026 | 77.9% | 86 |
| May 2026 | 70.5% | 88 |
| June 2026 | 71.1% | 90 |
| July 2026 | 75.0% | 93 |
| August 2026 | 82.5% | 97 |
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 | 1,165 | 80.5% | 0.2% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN136
6% late · 64 flights
-
WN2098
35% late · 60 flights
-
WN321
13% late · 60 flights
-
WN4704
35% late · 60 flights
-
WN1964
21% late · 58 flights
-
WN2438
45% late · 58 flights
-
WN329
5% late · 57 flights
-
WN2097
2% late · 51 flights
-
WN1682
12% late · 50 flights
-
WN1444
17% late · 47 flights
-
WN2437
36% late · 42 flights
-
WN4645
9% late · 35 flights
-
WN3244
58% late · 33 flights
-
WN961
15% late · 33 flights
-
WN1086
0% late · 31 flights
-
WN2945
26% late · 31 flights
-
WN3096
29% late · 31 flights
-
WN793
0% late · 31 flights
-
WN2589
36% late · 28 flights
-
WN3064
0% late · 28 flights
-
WN3202
46% late · 28 flights
-
WN2083
7% late · 27 flights
-
WN28
4% late · 24 flights
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