Route
BNA → AUS
Nashville International Airport Austin Bergstrom International Airport
How punctual is this route?
- On-time arrivals
- 80.4%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,033
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 34%
- Air traffic control & airport 13%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.4% | 228 |
| October 2025 | 80.9% | 284 |
| November 2025 | 80.2% | 243 |
| December 2025 | 79.3% | 251 |
| January 2026 | 89.3% | 239 |
| February 2026 | 87.1% | 225 |
| March 2026 | 83.4% | 277 |
| April 2026 | 86.5% | 266 |
| May 2026 | 74.5% | 276 |
| June 2026 | 68.1% | 252 |
| July 2026 | 67.1% | 253 |
| August 2026 | 80.3% | 239 |
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 | 2,023 | 78.7% | 0.5% | 57 min |
| SkyWest Airlines | 1,010 | 83.7% | 0.5% | 104 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO4146
14% late · 253 flights
-
OO4116
13% late · 188 flights
-
OO3945
24% late · 171 flights
-
OO3604
11% late · 110 flights
-
OO3960
14% late · 105 flights
-
OO4063
27% late · 92 flights
-
WN451
57% late · 60 flights
-
WN454
47% late · 60 flights
-
WN563
24% late · 59 flights
-
WN4437
7% late · 58 flights
-
WN570
36% late · 58 flights
-
WN1931
7% late · 57 flights
-
WN942
7% late · 57 flights
-
WN4149
19% late · 52 flights
-
WN3288
30% late · 50 flights
-
WN452
4% late · 50 flights
-
WN1574
0% late · 49 flights
-
WN3192
11% late · 47 flights
-
WN3199
9% late · 47 flights
-
WN2992
4% late · 46 flights
-
WN450
31% late · 46 flights
-
WN3133
10% late · 42 flights
-
WN2382
28% late · 40 flights
-
WN947
26% late · 39 flights
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