Historical on-time performance
Raleigh-durham to Philadelphia
Flights on RDU–PHL arrive on time 70% of the time over the last 12 months.
based on 2,451 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-time84%Medianon timep9015 minCancel3.7%Flights187
- Frontier AirlinesOn-time70%Medianon timep9065 minCancel4.6%Flights566
- American AirlinesOn-time69%Medianon timep9075 minCancel2.2%Flights1,108
- PSA AirlinesOn-time68%Medianon timep9075 minCancel3.7%Flights590
Why flights run late
Delay causes
- Airline21%
- Weather5%
- Air traffic (NAS)14%
- Late aircraft60%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather77%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 79 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 RDU → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 83% on time.
- Mornings83% on time · p90 30 min · 1,954 flights
- Middays78% on time · p90 40 min · 2,103 flights
- Overnights65% on time · p90 85 min · 424 flights
- Afternoons61% on time · p90 85 min · 1,364 flights
- Evenings60% on time · p90 100 min · 1,411 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 76% on time.
- Tuesdays76% on time · p90 50 min · 974 flights
- Wednesdays76% on time · p90 45 min · 976 flights
- Saturdays75% on time · p90 55 min · 881 flights
- Thursdays71% on time · p90 65 min · 1,078 flights
- Mondays69% on time · p90 70 min · 1,116 flights
- Fridays69% on time · p90 70 min · 1,123 flights
- Sundays69% on time · p90 65 min · 1,108 flights
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