Flight Reliability
F9 4904 · Frontier Airlines
Everett → Phoenix (PAE–PHX)
60
A Little Dicey
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 45 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 50 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 4904 departing between 9 AM–12 PM arrived on time 84% of the time, versus 61% between 6–9 PM.
Friday has been the better bet.
A small edge: 77% on time on Fridays against 71% on Mondays.
Well behind the PAE–PHX route.
F9 4904 arrived on time 70% of the time, versus 86% across the PAE–PHX route.
A bit behind the Frontier Airlines network.
F9 4904 arrived on time 70% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon71%(21 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(6 flights)
- Fri77%(17 flights)
- Sat—(0 flights)
- Sun—(6 flights)
- 9 AM–12 PM84%(19 flights)
- 3–6 PM—(3 flights)
- 6–9 PM61%(28 flights)
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 50
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 50 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.