Flight Reliability
F9 2075 · Frontier Airlines
St. Louis → Phoenix (STL–PHX)
76
Usually Fine
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 26 min
- Average arrival delay
- 2.2%
- Cancelled
- 13 min early
- Median arrival delay
Based on 46 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 2075 departing between 12–3 PM arrived on time 94% of the time, versus 67% between 6–9 PM.
Mondays have been rough.
F9 2075 arrived on time 100% of the time on Fridays and just 67% on Mondays. That gap is worth planning around.
Better than the STL–PHX route average.
F9 2075 arrived on time 84% of the time, versus 77% across the STL–PHX route.
Better than the Frontier Airlines network average.
F9 2075 arrived on time 84% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon67%(18 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri100%(22 flights)
- Sat—(2 flights)
- Sun—(3 flights)
- 12–3 PM94%(17 flights)
- 3–6 PM—(8 flights)
- 6–9 PM67%(12 flights)
- 9 PM–12 AM—(8 flights)
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 45
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 46 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.