Route
BNA → SLC
Nashville International Airport Salt Lake City International Airport
1,404 miles
Return route SLC → BNA →
How punctual is this route?
- On-time arrivals
- 83.5%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,205
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 14%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.4% | 104 |
| October 2025 | 79.5% | 112 |
| November 2025 | 85.0% | 101 |
| December 2025 | 84.2% | 114 |
| January 2026 | 93.1% | 78 |
| February 2026 | 85.9% | 78 |
| March 2026 | 82.3% | 97 |
| April 2026 | 89.1% | 92 |
| May 2026 | 82.4% | 92 |
| June 2026 | 76.4% | 110 |
| July 2026 | 77.8% | 117 |
| August 2026 | 81.7% | 110 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 933 | 87.1% | 0.6% | 69 min |
| Southwest Airlines | 272 | 71.1% | 0.7% | 56 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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