Historical on-time performance
Newark to Wilmington
488 miData through May 2026Source: US DOT · BTS
Flights on EWR–ILM arrive on time 80% of the time over the last 12 months.
On-time rate80%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-time80%Medianon timep9025 minCancel3.0%Flights236
Why flights run late
Delay causes
- Airline24%
- Weather1%
- Air traffic (NAS)42%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather43%
- Air traffic (NAS)57%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). 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 EWR → ILM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 89% on time.
- Middays89% on time · p90 15 min · 352 flights
- Afternoons77% on time · p90 20 min · 117 flights · limited
- Overnights72% on time · p90 35 min · 412 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 87% on time.
- Tuesdays87% on time · p90 10 min · 127 flights · limited
- Wednesdays85% on time · p90 15 min · 123 flights · limited
- Saturdays81% on time · p90 25 min · 118 flights · limited
- Thursdays79% on time · p90 35 min · 126 flights · limited
- Fridays76% on time · p90 35 min · 126 flights · limited
- Mondays75% on time · p90 30 min · 129 flights · limited
- Sundays74% on time · p90 40 min · 132 flights · limited
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