Route
BNA → BOS
Nashville International Airport Boston Logan International Airport
How punctual is this route?
- On-time arrivals
- 67.6%
- Less than 15 minutes late
- Cancelled
- 2.6%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,940
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 55.5% | 257 |
| October 2025 | 57.4% | 330 |
| November 2025 | 77.3% | 231 |
| December 2025 | 74.4% | 203 |
| January 2026 | 78.3% | 182 |
| February 2026 | 71.2% | 176 |
| March 2026 | 68.7% | 234 |
| April 2026 | 73.9% | 238 |
| May 2026 | 68.7% | 270 |
| June 2026 | 67.9% | 269 |
| July 2026 | 62.0% | 279 |
| August 2026 | 66.9% | 271 |
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 | 1,002 | 59.1% | 1.3% | 60 min |
| JetBlue Airways | 887 | 69.8% | 4.1% | 79 min |
| Delta Air Lines | 559 | 69.3% | 1.6% | 105 min |
| Republic Airways | 474 | 80.0% | 3.2% | 93 min |
| NK | 16 | 57.1% | 12.5% | 78 min |
| American Airlines | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
B61006
30% late · 203 flights
-
B61806
39% late · 158 flights
-
B6506
44% late · 150 flights
-
YX5610
13% late · 122 flights
-
B6806
8% late · 120 flights
-
DL2509
11% late · 117 flights
-
DL2677
39% late · 117 flights
-
DL2141
21% late · 114 flights
-
DL1630
42% late · 101 flights
-
YX5683
16% late · 97 flights
-
DL1724
47% late · 96 flights
-
B61150
35% late · 76 flights
-
YX5778
24% late · 74 flights
-
B6306
10% late · 65 flights
-
WN459
55% late · 61 flights
-
WN4372
64% late · 60 flights
-
WN949
13% late · 60 flights
-
WN952
30% late · 60 flights
-
WN493
58% late · 58 flights
-
WN541
28% late · 58 flights
-
WN933
59% late · 58 flights
-
B61306
60% late · 53 flights
-
WN4560
29% late · 52 flights
-
YX5796
22% late · 49 flights
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