Flight Reliability
F9 3101 · Frontier Airlines
Denver → Missoula (DEN–MSO)
85
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 0%
- Cancelled
- 13 min early
- Median arrival delay
Based on 31 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
F9 3101 arrived on time 100% of the time on Fridays and just 81% on Mondays. That gap is worth planning around.
Better than the DEN–MSO route average.
F9 3101 arrived on time 90% of the time, versus 81% across the DEN–MSO route.
Well ahead of the Frontier Airlines network.
F9 3101 arrived on time 90% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon81%(16 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri100%(14 flights)
- Sat—(0 flights)
- Sun—(0 flights)
- 9 AM–12 PM89%(28 flights)
- 3–6 PM—(2 flights)
- Departures on time
- 84%
- Diverted
- 3.2%
- Flights flown
- 30
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 31 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.