Historical on-time performance
Philadelphia to Key West
1,121 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–EYW arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 275 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time89%Medianon timep9020 minCancel0.0%Flights61
- American AirlinesOn-time79%Medianon timep9040 minCancel0.5%Flights214
Why flights run late
Delay causes
- Airline30%
- Weather0%
- Air traffic (NAS)19%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PHL → EYW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 77% to 82% on time.
- Mornings82% on time · p90 25 min · 360 flights
- Middays77% on time · p90 50 min · 928 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 84% on time.
- Tuesdays84% on time · p90 25 min · 170 flights · limited
- Wednesdays84% on time · p90 35 min · 177 flights · limited
- Sundays83% on time · p90 25 min · 190 flights · limited
- Thursdays78% on time · p90 40 min · 182 flights · limited
- Fridays77% on time · p90 40 min · 188 flights · limited
- Mondays75% on time · p90 40 min · 192 flights · limited
- Saturdays72% on time · p90 45 min · 194 flights · limited
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