Historical on-time performance
Wilmington to Atlanta
377 miData through May 2026Source: US DOT · BTS
Flights on ILM–ATL arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.5%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-time84%Medianon timep9025 minCancel1.5%Flights1,136
Why flights run late
Delay causes
- Airline48%
- Weather7%
- Air traffic (NAS)14%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline47%
- Weather53%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 17 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 → ATL
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 · 1,049 flights
- Middays91% on time · p90 10 min · 805 flights
- Afternoons81% on time · p90 40 min · 825 flights
- Evenings77% on time · p90 55 min · 711 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 91% on time.
- Wednesdays91% on time · p90 10 min · 491 flights
- Tuesdays88% on time · p90 15 min · 495 flights
- Thursdays87% on time · p90 20 min · 499 flights
- Mondays87% on time · p90 20 min · 490 flights
- Saturdays86% on time · p90 15 min · 455 flights
- Fridays84% on time · p90 30 min · 490 flights
- Sundays82% on time · p90 50 min · 496 flights
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