Historical on-time performance
Columbus to Philadelphia
405 miData through May 2026Source: US DOT · BTS
Flights on CMH–PHL arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.6%of scheduled flights
based on 1,142 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time86%Medianon timep9015 minCancel1.3%Flights560
- PSA AirlinesOn-time73%Medianon timep9050 minCancel3.1%Flights128
- American AirlinesOn-time64%Medianon timep9085 minCancel4.2%Flights454
Why flights run late
Delay causes
- Airline28%
- Weather4%
- Air traffic (NAS)25%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather87%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 30 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 CMH → 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 — 89% on time.
- Mornings89% on time · p90 10 min · 1,513 flights
- Middays84% on time · p90 25 min · 1,043 flights
- Evenings62% on time · p90 85 min · 573 flights
- Afternoons61% on time · p90 70 min · 814 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 85% on time.
- Tuesdays85% on time · p90 20 min · 556 flights
- Wednesdays80% on time · p90 35 min · 562 flights
- Saturdays79% on time · p90 60 min · 500 flights
- Thursdays77% on time · p90 45 min · 579 flights
- Sundays75% on time · p90 45 min · 579 flights
- Mondays75% on time · p90 45 min · 596 flights
- Fridays74% on time · p90 50 min · 601 flights
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