Historical on-time performance
Wilmington to Newark
488 miData through May 2026Source: US DOT · BTS
Flights on ILM–EWR arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled3.0%of scheduled flights
based on 236 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time82%Medianon timep9025 minCancel3.0%Flights236
Why flights run late
Delay causes
- Airline17%
- Weather1%
- Air traffic (NAS)50%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather71%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 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 → EWR
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 — 93% on time.
- Mornings93% on time · p90 5 min · 421 flights
- Middays80% on time · p90 20 min · 104 flights · limited
- Afternoons60% on time · p90 95 min · 287 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 84% on time.
- Wednesdays84% on time · p90 20 min · 125 flights · limited
- Saturdays82% on time · p90 30 min · 113 flights · limited
- Tuesdays79% on time · p90 25 min · 126 flights · limited
- Mondays79% on time · p90 40 min · 133 flights · limited
- Sundays78% on time · p90 45 min · 130 flights · limited
- Thursdays76% on time · p90 30 min · 126 flights · limited
- Fridays74% on time · p90 70 min · 129 flights · limited
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