Route
BNA → GSP
Nashville International Airport Greenville-Spartanburg International Airport
How punctual is this route?
- On-time arrivals
- 70.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 730
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 3%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.3% | 30 |
| October 2025 | 71.0% | 31 |
| November 2025 | 75.8% | 33 |
| December 2025 | 71.9% | 33 |
| January 2026 | 93.1% | 32 |
| February 2026 | 92.9% | 28 |
| March 2026 | 69.9% | 85 |
| April 2026 | 82.2% | 90 |
| May 2026 | 63.4% | 93 |
| June 2026 | 56.7% | 90 |
| July 2026 | 55.4% | 92 |
| August 2026 | 74.2% | 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 | 730 | 70.9% | 0.7% | 62 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN643
7% late · 58 flights
-
WN4563
57% late · 51 flights
-
WN4622
16% late · 51 flights
-
WN1671
28% late · 50 flights
-
WN526
61% late · 36 flights
-
WN540
27% late · 33 flights
-
WN3048
50% late · 32 flights
-
WN3221
6% late · 31 flights
-
WN1772
7% late · 28 flights
-
WN4061
44% late · 28 flights
-
WN3574
12% late · 24 flights
-
WN4185
54% late · 24 flights
-
WN5423
23% late · 22 flights
-
WN1861
25% late · 20 flights
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