ILM to MIA flight delays & on-time performance
Nonstop flights from Wilmington International Airport to Miami International Airport · 601 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ILM or MIA 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 Miami (MIA) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.8% were cancelled, and 5% arrived an hour or more late.
- Envoy Air was the most punctual airline here (90% on time); American Airlines was the least (83%).
- Departures scheduled around 6am did best (90% on time); around 6pm did worst (81%).
- Wednesday was the most reliable day to fly (96% on time) and Friday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (32%).
Which airline is most on time from ILM to MIA?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 90% | 0.4% | 8 min | 3.1% | 257 |
| American Airlines | 83% | 3.3% | 19 min | 6.8% | 184 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 79% | 6.7% | 11 min | 7.1% | 15 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%25 flights
- 6am90%229 flights
- 7am85%27 flights
- 6pm81%66 flights
- 7pm82%102 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday85%0.0% cancelled
- Tuesday93%1.8% cancelled
- Wednesday96%1.8% cancelled
- Thursday88%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday86%5.2% cancelled
- Sunday83%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)32%
- Late-arriving aircraft29%
- Extreme weather28%
- Air traffic control & airport congestion11%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather88%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ILM to MIA: common questions
- How often are ILM to MIA 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 Miami cancelled?
- 1.8% of scheduled flights were cancelled (8 of 456).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 88 min behind schedule on average, and 4.7% of flights were an hour or more late.
- How long is taxi time at ILM?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to ILM — 78% 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 → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.