Route
SAT → ELP
San Antonio International Airport El Paso International Airport
How punctual is this route?
- On-time arrivals
- 79.6%
- Less than 15 minutes late
- Cancelled
- 0.1%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 737
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 72%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 4%
- Security 1%
- Extreme weather 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.8% | 73 |
| October 2025 | 84.0% | 75 |
| November 2025 | 84.2% | 76 |
| December 2025 | 80.5% | 77 |
| January 2026 | 77.5% | 40 |
| February 2026 | 96.4% | 28 |
| March 2026 | 86.8% | 54 |
| April 2026 | 76.3% | 59 |
| May 2026 | 77.4% | 62 |
| June 2026 | 66.1% | 64 |
| July 2026 | 74.2% | 66 |
| August 2026 | 77.8% | 63 |
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 | 737 | 79.6% | 0.1% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4582
5% late · 60 flights
-
WN4157
5% late · 58 flights
-
WN862
11% late · 46 flights
-
WN1822
60% late · 43 flights
-
WN2183
20% late · 41 flights
-
WN683
55% late · 40 flights
-
WN664
13% late · 30 flights
-
WN2896
4% late · 28 flights
-
WN4372
11% late · 28 flights
-
WN1903
30% late · 23 flights
-
WN4236
19% late · 21 flights
-
WN496
35% late · 20 flights
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