ATL to ILM flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Wilmington International Airport · 377 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or ILM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Wilmington (ILM) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (96% on time); around 4pm did worst (70%).
- Wednesday was the most reliable day to fly (90% on time) and Sunday the least (74%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Which airline is most on time from ATL to ILM?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 84% | 1.0% | 11 min | 5.5% | 1,149 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am96%201 flights
- 9am93%28 flights
- 12pm86%287 flights
- 2pm85%46 flights
- 3pm80%130 flights
- 4pm70%89 flights
- 7pm92%12 flights
- 9pm79%184 flights
- 10pm83%160 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday86%1.2% cancelled
- Tuesday88%0.0% cancelled
- Wednesday90%0.0% cancelled
- Thursday85%0.6% cancelled
- Friday83%1.1% cancelled
- Saturday85%1.5% cancelled
- Sunday74%2.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft37%
- Air traffic control & airport congestion9%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)55%
- Extreme weather45%
- Air traffic control & airport congestion0%
- Security0%
ATL to ILM: common questions
- How often are ATL to ILM flights on time?
- 84% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to Wilmington cancelled?
- 1.0% of scheduled flights were cancelled (11 of 1,149).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 64 min behind schedule on average, and 5.5% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ILM to ATL — 87% on time
More flights from Atlanta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → ILM, nonstop flights by US airlines that report to the DOT. How we calculate this.