Miami (MIA) to Wilmington (ILM): On-Time Performance
Data through July 2026
The calendar drives reliability on MIA–ILM. October 2025 flights landed on schedule 90% of the time, but May 2025 dropped to 45% — a gap of 45 points. Across the full period the route averages 75% on-time against a national 78%.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.2
- last 12 months
- Duration
- 2h 3m
- scheduled
- Distance
- 601 mi
Best airline from MIA to ILM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 81% | 13 min | 0.6% | 499 |
| American Airlines | 65% | 26 min | 2.4% | 248 |
Monthly on-time trend
Best time to fly from MIA to ILM
Aim for departures around 4 p.m. (83% on-time); avoid 10 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 21 min |
| Tuesdaybest | 85% | 7 min |
| Wednesday | 75% | 19 min |
| Thursday | 82% | 11 min |
| Friday | 71% | 19 min |
| Saturday | 73% | 21 min |
| Sunday | 68% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations30%
- National airspace system11%
- Weather10%
Frequently asked questions
- How often are flights from MIA to ILM delayed?
- 25% of MIA–ILM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from MIA to ILM?
- Envoy Air has the best on-time record on this route at 81%, based on 499 flights. 2 airlines flew MIA–ILM frequently enough to compare in this period.
- What is the best time of day to fly from MIA to ILM?
- Departures around 4 p.m. have the best record (83% on-time), while departures around 10 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to ILM?
- The scheduled MIA–ILM flight time averages 2h 3m over 601 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are MIA to ILM flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MIA to ILM?
- May 2025 was the roughest month in this dataset, with only 45% of arrivals on time. The best was October 2025 at 90%. If your dates are flexible, that 45-point gap is worth planning around.
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Based on 785 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.