Route
CHS → BNA
Charleston International Airport Nashville International Airport
How punctual is this route?
- On-time arrivals
- 77.0%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 989
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Air traffic control & airport 22%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.9% | 73 |
| October 2025 | 78.3% | 92 |
| November 2025 | 81.4% | 86 |
| December 2025 | 84.6% | 91 |
| January 2026 | 92.1% | 67 |
| February 2026 | 85.7% | 63 |
| March 2026 | 77.4% | 86 |
| April 2026 | 76.7% | 86 |
| May 2026 | 70.1% | 87 |
| June 2026 | 71.1% | 90 |
| July 2026 | 59.8% | 88 |
| August 2026 | 71.2% | 80 |
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 | 989 | 77.0% | 0.6% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1141
3% late · 60 flights
-
WN1954
2% late · 60 flights
-
WN1441
5% late · 58 flights
-
WN733
16% late · 58 flights
-
WN1142
58% late · 56 flights
-
WN1291
42% late · 50 flights
-
WN899
42% late · 43 flights
-
WN806
31% late · 42 flights
-
WN1071
7% late · 41 flights
-
WN1503
34% late · 41 flights
-
WN2287
3% late · 33 flights
-
WN854
47% late · 33 flights
-
WN1167
16% late · 31 flights
-
WN1412
16% late · 31 flights
-
WN1295
30% late · 30 flights
-
WN3251
25% late · 28 flights
-
WN997
15% late · 27 flights
-
WN4622
4% late · 25 flights
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