Wilmington (ILM) to Miami (MIA): On-Time Performance
Data through July 2026
The calendar drives reliability on ILM–MIA. July 2026 flights landed on schedule 97% of the time, but March 2026 dropped to 70% — a gap of 27 points. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 79%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 1.2
- last 12 months
- Duration
- 2h 1m
- scheduled
- Distance
- 601 mi
Best airline from ILM to MIA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 90% | 8 min | 0.6% | 499 |
| American Airlines | 85% | 15 min | 2.8% | 248 |
Monthly on-time trend
Best time to fly from ILM to MIA
Aim for departures around 5 a.m. (93% on-time); avoid 6 p.m. departures (80%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 17 min |
| Tuesday | 92% | 6 min |
| Wednesdaybest | 93% | 4 min |
| Thursday | 91% | 7 min |
| Friday | 82% | 10 min |
| Saturday | 84% | 10 min |
| Sunday | 84% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations37%
- National airspace system12%
- Weather19%
Frequently asked questions
- How often are flights from ILM to MIA delayed?
- 13% of ILM–MIA 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 11 minutes.
- Which airline is most reliable from ILM to MIA?
- Envoy Air has the best on-time record on this route at 90%, based on 499 flights. 2 airlines flew ILM–MIA frequently enough to compare in this period.
- What is the best time of day to fly from ILM to MIA?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 6 p.m. have the worst (80%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ILM to MIA?
- The scheduled ILM–MIA flight time averages 2h 1m over 601 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are ILM to MIA flights cancelled?
- 1.4% 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 ILM to MIA?
- March 2026 was the roughest month in this dataset, with only 70% of arrivals on time. The best was July 2026 at 97%. If your dates are flexible, that 27-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.