ILM to ATL flight delays & on-time performance
Nonstop flights from Wilmington International Airport to Hartsfield Jackson Atlanta International Airport · 377 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ILM or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Wilmington (ILM) to Atlanta (ATL) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 5% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (98% on time); around 6pm did worst (70%).
- Wednesday was the most reliable day to fly (93% on time) and Sunday the least (81%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).
Which airline is most on time from ILM to ATL?
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 | 87% | 1.0% | 10 min | 5.5% | 1,149 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am98%48 flights
- 6am95%315 flights
- 10am94%196 flights
- 11am85%26 flights
- 2pm81%283 flights
- 4pm81%48 flights
- 5pm83%111 flights
- 6pm70%108 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday87%1.8% cancelled
- Tuesday89%0.6% cancelled
- Wednesday93%0.0% cancelled
- Thursday89%0.6% cancelled
- Friday83%0.0% cancelled
- Saturday89%1.5% cancelled
- Sunday81%3.0% 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)55%
- Late-arriving aircraft23%
- Extreme weather14%
- Air traffic control & airport congestion7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
ILM to ATL: common questions
- How often are ILM to ATL flights on time?
- 87% 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 Wilmington to Atlanta cancelled?
- 1.0% of scheduled flights were cancelled (12 of 1,149).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 5.5% of flights were an hour or more late.
- How long is taxi time at ILM?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to ILM — 84% on time
More flights from Wilmington
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ILM → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.