Route
SAT → LAS
San Antonio International Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 78.8%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,049
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.7% | 189 |
| October 2025 | 81.9% | 200 |
| November 2025 | 89.7% | 196 |
| December 2025 | 83.8% | 205 |
| January 2026 | 82.5% | 137 |
| February 2026 | 82.4% | 131 |
| March 2026 | 85.4% | 165 |
| April 2026 | 78.8% | 163 |
| May 2026 | 72.4% | 175 |
| June 2026 | 62.3% | 157 |
| July 2026 | 70.2% | 161 |
| August 2026 | 74.6% | 170 |
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 | 1,587 | 79.3% | 0.4% | 57 min |
| Frontier Airlines | 305 | 74.8% | 1.0% | 70 min |
| NK | 157 | 81.4% | 0.6% | 99 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F93417
25% late · 267 flights
-
WN2446
5% late · 59 flights
-
NK713
19% late · 58 flights
-
WN1625
22% late · 58 flights
-
WN2530
34% late · 58 flights
-
WN3102
19% late · 47 flights
-
WN279
18% late · 46 flights
-
WN3142
18% late · 45 flights
-
WN3359
2% late · 44 flights
-
WN2343
28% late · 43 flights
-
WN3575
42% late · 43 flights
-
WN2044
17% late · 42 flights
-
WN2556
5% late · 42 flights
-
WN3458
15% late · 39 flights
-
F93419
29% late · 38 flights
-
NK1453
12% late · 33 flights
-
WN1431
30% late · 33 flights
-
WN1724
3% late · 32 flights
-
NK1505
13% late · 31 flights
-
WN2132
0% late · 31 flights
-
WN3330
40% late · 30 flights
-
WN4758
7% late · 30 flights
-
WN1412
18% late · 28 flights
-
WN2512
21% late · 28 flights
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