Route
DAL → SAT
Dallas Love Field San Antonio International Airport
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,755
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 8%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.8% | 219 |
| October 2025 | 86.6% | 254 |
| November 2025 | 77.9% | 229 |
| December 2025 | 82.8% | 227 |
| January 2026 | 86.4% | 205 |
| February 2026 | 85.0% | 188 |
| March 2026 | 77.4% | 251 |
| April 2026 | 76.9% | 250 |
| May 2026 | 68.4% | 252 |
| June 2026 | 57.5% | 223 |
| July 2026 | 68.3% | 226 |
| August 2026 | 69.6% | 231 |
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 | 2,755 | 76.7% | 1.1% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1051
3% late · 61 flights
-
WN3868
40% late · 56 flights
-
WN373
8% late · 55 flights
-
WN1775
36% late · 53 flights
-
WN1669
2% late · 50 flights
-
WN3743
23% late · 50 flights
-
WN3935
22% late · 50 flights
-
WN1676
41% late · 49 flights
-
WN2918
5% late · 46 flights
-
WN4568
24% late · 45 flights
-
WN1400
30% late · 43 flights
-
WN1401
40% late · 43 flights
-
WN1402
42% late · 43 flights
-
WN2617
24% late · 43 flights
-
WN1679
67% late · 42 flights
-
WN2300
5% late · 42 flights
-
WN2316
46% late · 41 flights
-
WN2312
31% late · 39 flights
-
WN3940
40% late · 35 flights
-
WN4415
63% late · 35 flights
-
WN1689
6% late · 33 flights
-
WN1668
3% late · 32 flights
-
WN2104
28% late · 30 flights
-
WN1168
32% late · 28 flights
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