Route
SAT → BNA
San Antonio International Airport Nashville International Airport
How punctual is this route?
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 957
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 23%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.8% | 73 |
| October 2025 | 82.8% | 87 |
| November 2025 | 83.1% | 77 |
| December 2025 | 84.2% | 77 |
| January 2026 | 82.3% | 66 |
| February 2026 | 73.0% | 63 |
| March 2026 | 74.1% | 82 |
| April 2026 | 78.6% | 85 |
| May 2026 | 71.6% | 88 |
| June 2026 | 66.3% | 86 |
| July 2026 | 60.2% | 89 |
| August 2026 | 89.3% | 84 |
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 | 957 | 77.8% | 0.5% | 58 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1282
16% late · 64 flights
-
WN1626
12% late · 64 flights
-
WN4146
32% late · 58 flights
-
WN1014
7% late · 57 flights
-
WN3557
12% late · 52 flights
-
WN4193
75% late · 52 flights
-
WN1682
32% late · 50 flights
-
WN1711
9% late · 47 flights
-
WN2288
31% late · 36 flights
-
WN2236
31% late · 33 flights
-
WN859
47% late · 33 flights
-
WN927
3% late · 33 flights
-
WN4643
0% late · 31 flights
-
WN1304
30% late · 30 flights
-
WN481
44% late · 27 flights
-
WN4497
48% late · 25 flights
-
WN1190
22% late · 23 flights
-
WN157
0% late · 23 flights
-
WN3479
20% late · 20 flights
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