Wilmington International Airport (ILM) delays & on-time performance
Wilmington, North Carolina · 12 nonstop destinations · 7 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ILM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
81%
arrived < 15 min late
Cancelled
3.2%
241 flights
Avg arrival delay
17 min
85 min when late
Departed on time
81%
avg taxi-out 17 min
Figures cover 7,522 departures from ILM; on-time is measured at arrival. Arrivals into ILM were on time 77% of the time.
Key facts
- Flights departing Wilmington International Airport (ILM) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.2% were cancelled, and 8% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (87% on time); PSA Airlines was the least (73%).
- Departures scheduled around 5am did best (94% on time); around 7pm did worst (64%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Most delayed routes from ILM
Lowest on-time arrival rates among regularly flown routes.
- BOS · Boston63%433 flts
- DCA · Washington68%880 flts
- LGA · New York77%1,027 flts
- ORD · Chicago80%542 flts
- DFW · Dallas/Fort Worth80%708 flts
- EWR · Newark86%386 flts
- MIA · Miami87%456 flts
- ATL · Atlanta87%1,149 flts
- CLT · Charlotte88%1,820 flts
Most reliable routes from ILM
Highest on-time arrival rates among regularly flown routes.
- CLT · Charlotte88%1,820 flts
- ATL · Atlanta87%1,149 flts
- MIA · Miami87%456 flts
- EWR · Newark86%386 flts
- DFW · Dallas/Fort Worth80%708 flts
- ORD · Chicago80%542 flts
- LGA · New York77%1,027 flts
- DCA · Washington68%880 flts
- BOS · Boston63%433 flts
Best airline at ILM
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 87% | 1.0% | 10 min | 2 | 1,176 |
| American Airlines | 86% | 2.7% | 15 min | 5 | 2,334 |
| Envoy Air | 81% | 1.1% | 15 min | 5 | 800 |
| Republic Airways | 79% | 5.3% | 16 min | 7 | 1,742 |
| SkyWest Airlines | 78% | 4.3% | 36 min | 2 | 117 |
| PSA Airlines | 73% | 5.1% | 24 min | 3 | 1,173 |
| JetBlue | 59% | 0.6% | 41 min | 1 | 180 |
Best time to fly out of ILM
On-time arrival rate by scheduled departure hour (local time).
- 5am94%319 flts
- 6am92%1,463 flts
- 7am92%526 flts
- 8am84%127 flts
- 9am87%218 flts
- 10am91%596 flts
- 11am86%412 flts
- 12pm72%386 flts
- 1pm76%372 flts
- 2pm77%556 flts
- 3pm69%452 flts
- 4pm66%343 flts
- 5pm74%660 flts
- 6pm73%389 flts
- 7pm64%500 flts
- 8pm76%203 flts
Monthly trend
Why departures were late
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion20%
- Extreme weather10%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.