Historical on-time performance
Wilmington to Philadelphia
413 miData through May 2026Source: US DOT · BTS
Flights on ILM–PHL arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled3.8%of scheduled flights
based on 104 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time82%Medianon timep9035 minCancel3.8%Flights104
Why flights run late
Delay causes
- Airline51%
- Weather9%
- Air traffic (NAS)11%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 ILM → 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 68% to 88% on time.
- Middays88% on time · p90 15 min · 157 flights · limited
- Mornings87% on time · p90 20 min · 173 flights · limited
- Evenings68% on time · p90 40 min · 111 flights · limited
Keep exploring