Historical on-time performance
Atlanta to Wilmington
377 miData through Dec 2025Source: US DOT · BTS
Flights on ATL–ILM arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 950 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time79%Medianon timep9040 minCancel0.8%Flights950
Why flights run late
Delay causes
- Airline55%
- Weather5%
- Air traffic (NAS)11%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
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 (2023-01 .. 2025-12).
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 · 799 flights
- Middays86% on time · p90 20 min · 730 flights
- Evenings84% on time · p90 25 min · 191 flights · limited
- Overnights82% on time · p90 35 min · 984 flights
- Afternoons81% on time · p90 30 min · 808 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Tuesdays87% on time · p90 20 min · 510 flights
- Wednesdays87% on time · p90 20 min · 505 flights
- Mondays87% on time · p90 20 min · 511 flights
- Thursdays86% on time · p90 20 min · 507 flights
- Fridays85% on time · p90 25 min · 498 flights
- Saturdays84% on time · p90 25 min · 472 flights
- Sundays80% on time · p90 40 min · 509 flights
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