Route
BNA → SAN
Nashville International Airport San Diego International Airport
Alerts at BNA and SAN
-
Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 72.7%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,092
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 22%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.5% | 77 |
| October 2025 | 73.3% | 88 |
| November 2025 | 81.0% | 85 |
| December 2025 | 81.1% | 91 |
| January 2026 | 87.9% | 72 |
| February 2026 | 77.1% | 71 |
| March 2026 | 81.6% | 103 |
| April 2026 | 65.0% | 100 |
| May 2026 | 72.7% | 101 |
| June 2026 | 50.0% | 98 |
| July 2026 | 65.3% | 101 |
| August 2026 | 63.5% | 105 |
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 | 1,092 | 72.7% | 0.8% | 49 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN659
31% late · 72 flights
-
WN1306
12% late · 60 flights
-
WN1978
59% late · 58 flights
-
WN785
42% late · 58 flights
-
WN635
13% late · 55 flights
-
WN777
20% late · 50 flights
-
WN493
7% late · 47 flights
-
WN1307
15% late · 46 flights
-
WN3187
16% late · 46 flights
-
WN779
23% late · 44 flights
-
WN4111
65% late · 43 flights
-
WN800
31% late · 42 flights
-
WN1136
36% late · 33 flights
-
WN2973
6% late · 33 flights
-
WN2377
7% late · 31 flights
-
WN1133
40% late · 25 flights
-
WN4253
32% late · 25 flights
-
WN1010
22% late · 23 flights
-
WN1132
4% late · 23 flights
-
WN3589
14% late · 22 flights
-
WN3255
24% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.