Flight Reliability
F9 1401 · Frontier Airlines
Nashville → Denver (BNA–DEN)
74
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0.9%
- Cancelled
- 6 min early
- Median arrival delay
Based on 214 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 1401 departing between 9 PM–12 AM arrived on time 93% of the time, versus 68% between 6–9 PM.
Thursdays have been rough.
F9 1401 arrived on time 78% of the time on Fridays and just 62% on Thursdays. That gap is worth planning around.
A bit behind the BNA–DEN route.
F9 1401 arrived on time 72% of the time, versus 76% across the BNA–DEN route.
The breakdown
- Mon71%(48 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu62%(37 flights)
- Fri78%(50 flights)
- Sat72%(18 flights)
- Sun78%(40 flights)
- 9 AM–12 PM—(6 flights)
- 12–3 PM—(2 flights)
- 3–6 PM73%(64 flights)
- 6–9 PM68%(124 flights)
- 9 PM–12 AM93%(15 flights)
68%
May
Jun 59% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 17 |
| July 2025 | 59% | 17 |
| August 2025 | 64% | 14 |
| September 2025 | 92% | 12 |
| October 2025 | 86% | 14 |
| November 2025 | 75% | 20 |
| December 2025 | 80% | 15 |
| January 2026 | 63% | 16 |
| February 2026 | 81% | 16 |
| March 2026 | 71% | 28 |
| April 2026 | 77% | 17 |
| May 2026 | 68% | 25 |
- Departures on time
- 73%
- Diverted
- 0.5%
- Flights flown
- 211
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 214 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.