Nashville (BNA) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on BNA–DEN. October 2024 flights landed on schedule 91% of the time, but May 2025 dropped to 59% — a gap of 33 points. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 64%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 10.0
- last 12 months
- Duration
- 2h 59m
- scheduled
- Distance
- 1,013 mi
Best airline from BNA to DEN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 79% | 17 min | 0.6% | 2,533 |
| Southwest Airlines | 75% | 15 min | 0.5% | 4,631 |
| Frontier Airlines | 75% | 21 min | 1.3% | 703 |
Monthly on-time trend
Best time to fly from BNA to DEN
Aim for departures around 5 a.m. (96% on-time); avoid 6 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 17 min |
| Tuesday | 78% | 16 min |
| Wednesday | 77% | 14 min |
| Thursday | 74% | 16 min |
| Friday | 76% | 19 min |
| Saturdaybest | 79% | 13 min |
| Sunday | 77% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations26%
- National airspace system32%
- Weather3%
Frequently asked questions
- How often are flights from BNA to DEN delayed?
- 24% of BNA–DEN 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 16 minutes.
- Which airline is most reliable from BNA to DEN?
- United Airlines has the best on-time record on this route at 79%, based on 2,533 flights. 3 airlines flew BNA–DEN frequently enough to compare in this period.
- What is the best time of day to fly from BNA to DEN?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 6 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to DEN?
- The scheduled BNA–DEN flight time averages 2h 59m over 1,013 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are BNA to DEN 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 BNA to DEN?
- May 2025 was the roughest month in this dataset, with only 59% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 7,867 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.