Route
LAS → SAT
Harry Reid International Airport San Antonio International Airport
How punctual is this route?
- On-time arrivals
- 74.4%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,032
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.7% | 189 |
| October 2025 | 84.0% | 201 |
| November 2025 | 82.7% | 197 |
| December 2025 | 78.0% | 205 |
| January 2026 | 75.9% | 137 |
| February 2026 | 81.7% | 131 |
| March 2026 | 69.9% | 166 |
| April 2026 | 73.9% | 162 |
| May 2026 | 63.2% | 175 |
| June 2026 | 67.6% | 149 |
| July 2026 | 57.3% | 151 |
| August 2026 | 72.6% | 169 |
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 | 1,569 | 72.1% | 0.3% | 55 min |
| Frontier Airlines | 304 | 81.5% | 0.7% | 67 min |
| NK | 159 | 83.5% | 0.6% | 101 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F93418
17% late · 269 flights
-
WN3286
25% late · 64 flights
-
WN3283
24% late · 63 flights
-
NK712
19% late · 59 flights
-
WN3087
3% late · 58 flights
-
WN1555
32% late · 53 flights
-
WN893
38% late · 50 flights
-
WN1184
21% late · 47 flights
-
WN745
6% late · 47 flights
-
WN2582
26% late · 46 flights
-
WN3398
5% late · 44 flights
-
WN2335
58% late · 42 flights
-
WN2751
36% late · 42 flights
-
WN4526
40% late · 36 flights
-
F93420
29% late · 35 flights
-
WN2334
66% late · 35 flights
-
WN249
50% late · 34 flights
-
NK1452
27% late · 33 flights
-
WN2525
36% late · 33 flights
-
WN3747
15% late · 33 flights
-
NK1502
6% late · 32 flights
-
WN2939
3% late · 31 flights
-
WN3309
0% late · 31 flights
-
WN947
36% late · 28 flights
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