Historical on-time performance
Washington to Key West
1,023 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–EYW arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 339 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-time78%Medianon timep9035 minCancel2.5%Flights157
- Envoy AirOn-time69%Medianon timep9045 minCancel1.6%Flights182
Why flights run late
Delay causes
- Airline16%
- Weather3%
- Air traffic (NAS)43%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DCA → EYW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 15 min · 1,092 flights
- Middays73% on time · p90 50 min · 457 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Wednesdays86% on time · p90 15 min · 217 flights
- Sundays83% on time · p90 20 min · 228 flights
- Tuesdays83% on time · p90 25 min · 216 flights
- Mondays82% on time · p90 20 min · 217 flights
- Saturdays79% on time · p90 30 min · 243 flights
- Thursdays79% on time · p90 35 min · 212 flights
- Fridays79% on time · p90 30 min · 216 flights
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