Historical on-time performance
Washington to Philadelphia
Flights on DCA–PHL arrive on time 63% of the time over the last 12 months.
based on 832 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Republic AirwaysOn-time90%Medianon timep9010 minCancel1.0%Flights197
- PSA AirlinesOn-time55%Median5 minp90110 minCancel4.7%Flights635
Why flights run late
Delay causes
- Airline20%
- Weather13%
- Air traffic (NAS)11%
- Late aircraft55%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather72%
- Air traffic (NAS)28%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 32 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DCA → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 59% to 87% on time.
- Mornings87% on time · p90 15 min · 815 flights
- Middays87% on time · p90 15 min · 897 flights
- Overnights74% on time · p90 45 min · 735 flights
- Afternoons59% on time · p90 95 min · 1,078 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Saturdays80% on time · p90 35 min · 471 flights
- Tuesdays78% on time · p90 40 min · 539 flights
- Wednesdays76% on time · p90 50 min · 537 flights
- Thursdays74% on time · p90 50 min · 529 flights
- Mondays74% on time · p90 55 min · 526 flights
- Fridays73% on time · p90 60 min · 530 flights
- Sundays73% on time · p90 55 min · 474 flights
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