Route
TUL → BNA
Tulsa International Airport Nashville International Airport
How punctual is this route?
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 545
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 54.8% | 31 |
| November 2025 | 86.7% | 30 |
| December 2025 | 87.1% | 31 |
| January 2026 | 93.1% | 31 |
| February 2026 | 100.0% | 28 |
| March 2026 | 84.5% | 58 |
| April 2026 | 85.0% | 60 |
| May 2026 | 67.7% | 62 |
| June 2026 | 78.3% | 60 |
| July 2026 | 85.5% | 62 |
| August 2026 | 88.7% | 62 |
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 | 545 | 82.3% | 0.4% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4051
5% late · 59 flights
-
WN4590
16% late · 58 flights
-
WN3630
38% late · 50 flights
-
WN2374
36% late · 36 flights
-
WN1960
4% late · 28 flights
-
WN2210
0% late · 28 flights
-
WN3723
11% late · 28 flights
-
WN2177
21% late · 24 flights
-
WN3718
55% late · 22 flights
-
WN1182
5% late · 21 flights
-
WN1764
0% late · 20 flights
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