Flight Reliability
F9 2549 · Frontier Airlines
Dallas–Fort Worth → Denver (DFW–DEN)
88
Pretty Reliable
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 3.1%
- Cancelled
- 13 min early
- Median arrival delay
Based on 64 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
F9 2549 arrived on time 100% of the time on Wednesdays and just 81% on Tuesdays. That gap is worth planning around.
Well ahead of the DFW–DEN route.
F9 2549 arrived on time 92% of the time, versus 70% across the DFW–DEN route.
Well ahead of the Frontier Airlines network.
F9 2549 arrived on time 92% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(7 flights)
- Tue81%(16 flights)
- Wed100%(10 flights)
- Thu—(7 flights)
- Fri—(7 flights)
- Sat—(8 flights)
- Sun—(7 flights)
- 9 AM–12 PM92%(61 flights)
- 12–3 PM—(1 flights)
94%
May
Jan 86% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 86% | 14 |
| February 2026 | 100% | 17 |
| May 2026 | 94% | 16 |
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 62
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 64 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.