FlightRecord

Salt Lake City (SLC) to Nashville (BNA): On-Time Performance

Data through July 2026

Salt Lake City (SLC) to Nashville (BNA) effectively runs on two schedules. In November 2024, 94% of arrivals were on time; in July 2025 that fell to 72% — a 22-point seasonal swing. Across the full period the route averages 85% on-time against a national 78%.

On-time
85%
arrived <15 min late
Avg delay
9 min
completed flights
Cancelled
0.6%
Flights/day
3.3
last 12 months
Duration
3h 17m
scheduled
Distance
1,404 mi

Best airline from SLC to BNA

2 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Delta Air Linesmost reliable85%9 min0.7%1,935
Southwest Airlines85%8 min0.4%448

Monthly on-time trend

Monthly on-time percentage for SLC to BNA flights50%75%100%August 2024: 88% on-time (88 flights)88Aug 2024September 2024: 87% on-time (83 flights)87October 2024: 89% on-time (79 flights)89November 2024: 94% on-time (67 flights)94Nov 2024December 2024: 80% on-time (81 flights)80January 2025: 90% on-time (68 flights)90February 2025: 89% on-time (62 flights)89Feb 2025March 2025: 82% on-time (96 flights)82April 2025: 85% on-time (112 flights)85May 2025: 85% on-time (118 flights)85May 2025June 2025: 81% on-time (114 flights)81July 2025: 72% on-time (116 flights)72August 2025: 89% on-time (111 flights)89Aug 2025September 2025: 89% on-time (104 flights)89October 2025: 85% on-time (112 flights)85November 2025: 92% on-time (101 flights)92Nov 2025December 2025: 87% on-time (114 flights)87January 2026: 92% on-time (78 flights)92February 2026: 90% on-time (78 flights)90Feb 2026March 2026: 87% on-time (97 flights)87April 2026: 86% on-time (92 flights)86May 2026: 82% on-time (92 flights)82May 2026June 2026: 81% on-time (110 flights)81July 2026: 73% on-time (117 flights)73

Best time to fly from SLC to BNA

Aim for departures around 9 a.m. (89% on-time); avoid 6 p.m. departures (76%).

On-time percentage by scheduled departure hour, SLC to BNA9 a.m.: 89% on-time (752 flights)910 a.m.: 82% on-time (125 flights)1011 a.m.: 86% on-time (134 flights)1112 p.m.: 87% on-time (113 flights)121 p.m.: 83% on-time (404 flights)132 p.m.: 85% on-time (66 flights)145 p.m.: 83% on-time (640 flights)176 p.m.: 76% on-time (108 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday86%8 min
Tuesday84%9 min
Wednesday87%8 min
Thursday87%8 min
Friday84%9 min
Saturdaybest87%10 min
Sunday81%11 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft24%
  • Airline operations51%
  • National airspace system21%
  • Weather4%

Frequently asked questions

How often are flights from SLC to BNA delayed?
15% of SLC–BNA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
Which airline is most reliable from SLC to BNA?
Delta Air Lines has the best on-time record on this route at 85%, based on 1,935 flights. 2 airlines flew SLC–BNA frequently enough to compare in this period.
What is the best time of day to fly from SLC to BNA?
Departures around 9 a.m. have the best record (89% on-time), while departures around 6 p.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SLC to BNA?
The scheduled SLC–BNA flight time averages 3h 17m over 1,404 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
How often are SLC to BNA flights cancelled?
0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from SLC to BNA?
July 2025 was the roughest month in this dataset, with only 72% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 22-point gap is worth planning around.

Based on 2,383 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.