Best Time to Fly ILM to MIA: On-Time Stats by Hour & Airline
Wilmington International → Miami International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.7% of Wilmington (ILM) to Miami (MIA) flights arrived on time (456 scheduled flights). That is 9.1 points above the national average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 89.8%, while American Airlines trailed at 83.0%.
April has been the best month (94% on time) and Friday the weakest day of the week (83%).
1.8% of flights were cancelled, versus 1.8% nationally.
ILM to MIA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 89.8% | 66 min | 0.4% | 257 |
| American Airlines | 83.0% | 111 min | 3.3% | 184 |
| Republic Airways | Limited data | 15 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ILM to MIA
On-time arrival % by scheduled departure hour (local time), 754 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.4% | 0.8% | 132 |
| 6am–7am | 90.0% | 1.9% | 376 |
| 7am–8am | 82.6% | 0.0% | 46 |
| 2pm–3pm | Limited data | 8 | |
| 5pm–6pm | Limited data | 9 | |
| 6pm–7pm | 80.8% | 1.3% | 75 |
| 7pm–8pm | 82.0% | 1.0% | 102 |
| 8pm–9pm | Limited data | 6 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ILM to MIA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 8 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -7.9 pts | 0.0% | 35 |
| Summer peak (Jun 15 - Aug 15) | 87.4% | -0.5 pts | 1.4% | 146 |
| All other days | 87.9% | — | 1.6% | 565 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).