Route
BNA → STL
Nashville International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 77.3%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,282
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 67%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 7%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.7% | 108 |
| October 2025 | 69.7% | 119 |
| November 2025 | 80.4% | 102 |
| December 2025 | 78.2% | 102 |
| January 2026 | 92.5% | 97 |
| February 2026 | 84.0% | 94 |
| March 2026 | 85.2% | 110 |
| April 2026 | 76.6% | 111 |
| May 2026 | 65.5% | 114 |
| June 2026 | 76.6% | 108 |
| July 2026 | 67.6% | 112 |
| August 2026 | 64.8% | 105 |
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 | 1,282 | 77.3% | 0.8% | 56 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN920
8% late · 64 flights
-
WN679
5% late · 61 flights
-
WN813
62% late · 58 flights
-
WN682
44% late · 56 flights
-
WN1371
25% late · 52 flights
-
WN770
39% late · 51 flights
-
WN656
6% late · 49 flights
-
WN2573
9% late · 47 flights
-
WN1352
14% late · 43 flights
-
WN806
7% late · 42 flights
-
WN3046
20% late · 41 flights
-
WN3818
0% late · 33 flights
-
WN1336
13% late · 31 flights
-
WN1403
10% late · 31 flights
-
WN1408
42% late · 31 flights
-
WN1343
7% late · 30 flights
-
WN1406
37% late · 30 flights
-
WN2004
4% late · 28 flights
-
WN2309
29% late · 28 flights
-
WN2677
7% late · 27 flights
-
WN3616
8% late · 26 flights
-
WN1411
40% late · 25 flights
-
WN1095
35% late · 24 flights
-
WN814
25% late · 24 flights
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