Route
BNA → CMH
Nashville International Airport John Glenn Columbus International Airport
How punctual is this route?
- On-time arrivals
- 76.6%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,040
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 68%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 5%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.9% | 88 |
| October 2025 | 81.8% | 88 |
| November 2025 | 84.7% | 85 |
| December 2025 | 83.5% | 91 |
| January 2026 | 93.4% | 66 |
| February 2026 | 83.1% | 66 |
| March 2026 | 72.0% | 82 |
| April 2026 | 79.3% | 88 |
| May 2026 | 75.0% | 92 |
| June 2026 | 57.1% | 98 |
| July 2026 | 62.7% | 103 |
| August 2026 | 66.7% | 93 |
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 | 1,040 | 76.6% | 0.6% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN481
50% late · 64 flights
-
WN859
17% late · 64 flights
-
WN4427
15% late · 60 flights
-
WN850
58% late · 60 flights
-
WN997
24% late · 59 flights
-
WN1478
5% late · 58 flights
-
WN1789
28% late · 57 flights
-
WN564
9% late · 57 flights
-
WN478
16% late · 53 flights
-
WN2568
29% late · 50 flights
-
WN1588
6% late · 33 flights
-
WN3553
39% late · 33 flights
-
WN1058
6% late · 31 flights
-
WN2647
16% late · 31 flights
-
WN470
6% late · 31 flights
-
WN495
35% late · 31 flights
-
WN990
3% late · 30 flights
-
WN3033
11% late · 28 flights
-
WN4907
46% late · 28 flights
-
WN5059
19% late · 27 flights
-
WN1062
16% late · 25 flights
-
WN4174
50% late · 20 flights
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