Historical on-time performance
Atlanta to Wilmington
377 miData through May 2026Source: US DOT · BTS
Flights on ATL–ILM arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,136 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time81%Medianon timep9035 minCancel1.4%Flights1,136
Why flights run late
Delay causes
- Airline56%
- Weather7%
- Air traffic (NAS)10%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 16 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 ATL → ILM
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 — 91% on time.
- Mornings91% on time · p90 10 min · 761 flights
- Middays85% on time · p90 25 min · 759 flights
- Evenings85% on time · p90 25 min · 196 flights · limited
- Overnights81% on time · p90 40 min · 978 flights
- Afternoons79% on time · p90 35 min · 722 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Tuesdays86% on time · p90 20 min · 495 flights
- Wednesdays86% on time · p90 25 min · 491 flights
- Mondays85% on time · p90 25 min · 490 flights
- Thursdays85% on time · p90 25 min · 498 flights
- Saturdays84% on time · p90 25 min · 457 flights
- Fridays83% on time · p90 30 min · 490 flights
- Sundays79% on time · p90 45 min · 495 flights
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