Route
HOU → SAT
William P. Hobby Airport San Antonio International Airport
How punctual is this route?
- On-time arrivals
- 77.1%
- Less than 15 minutes late
- Cancelled
- 0.1%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,282
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 11%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.2% | 141 |
| October 2025 | 84.3% | 140 |
| November 2025 | 80.7% | 119 |
| December 2025 | 85.2% | 122 |
| January 2026 | 84.5% | 97 |
| February 2026 | 71.4% | 84 |
| March 2026 | 64.4% | 101 |
| April 2026 | 76.5% | 98 |
| May 2026 | 69.9% | 103 |
| June 2026 | 56.7% | 91 |
| July 2026 | 69.2% | 91 |
| August 2026 | 75.8% | 95 |
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 | 1,282 | 77.1% | 0.1% | 56 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4451
48% late · 61 flights
-
WN2808
31% late · 58 flights
-
WN2486
11% late · 47 flights
-
WN3125
36% late · 47 flights
-
WN1280
2% late · 46 flights
-
WN3590
23% late · 44 flights
-
WN1432
19% late · 43 flights
-
WN2117
40% late · 42 flights
-
WN2411
22% late · 40 flights
-
WN578
21% late · 39 flights
-
WN2686
27% late · 33 flights
-
WN3300
45% late · 33 flights
-
WN1052
23% late · 31 flights
-
WN1266
10% late · 31 flights
-
WN3011
3% late · 31 flights
-
WN362
26% late · 31 flights
-
WN385
16% late · 31 flights
-
WN1844
13% late · 30 flights
-
WN2084
10% late · 30 flights
-
WN1851
29% late · 28 flights
-
WN2074
52% late · 27 flights
-
WN2770
0% late · 27 flights
-
WN1753
46% late · 24 flights
-
WN3380
9% late · 23 flights
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