Route
BNA → BWI
Nashville International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,794
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 14%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.3% | 166 |
| October 2025 | 73.2% | 169 |
| November 2025 | 83.8% | 143 |
| December 2025 | 81.4% | 134 |
| January 2026 | 94.2% | 130 |
| February 2026 | 85.6% | 131 |
| March 2026 | 73.3% | 150 |
| April 2026 | 79.4% | 157 |
| May 2026 | 73.0% | 163 |
| June 2026 | 63.4% | 146 |
| July 2026 | 56.1% | 151 |
| August 2026 | 75.3% | 154 |
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 | 1,760 | 76.7% | 1.7% | 58 min |
| NK | 34 | 81.8% | 2.9% | 73 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN462
18% late · 71 flights
-
WN1400
22% late · 64 flights
-
WN961
3% late · 64 flights
-
WN467
64% late · 61 flights
-
WN1345
27% late · 60 flights
-
WN548
5% late · 58 flights
-
WN2047
9% late · 56 flights
-
WN468
73% late · 56 flights
-
WN459
6% late · 55 flights
-
WN2994
25% late · 52 flights
-
WN549
22% late · 50 flights
-
WN2548
7% late · 47 flights
-
WN550
30% late · 47 flights
-
WN1391
12% late · 42 flights
-
WN748
36% late · 42 flights
-
WN3867
17% late · 36 flights
-
WN4488
33% late · 35 flights
-
NK2582
18% late · 34 flights
-
WN1324
21% late · 33 flights
-
WN1539
48% late · 33 flights
-
WN753
12% late · 33 flights
-
WN374
48% late · 31 flights
-
WN943
3% late · 30 flights
-
WN945
7% late · 28 flights
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