Philadelphia (PHL) to Wilmington (ILM): On-Time Performance
Data through May 2026
Philadelphia (PHL) to Wilmington (ILM) is a thinner route than most in this dataset — 149 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time. Cancellations are the bigger caveat: 5.9% of scheduled flights never departed.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 5.9%
- Flights/day
- 0.41
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 414 mi
Best airline from PHL to ILM
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 75% | 15 min | 6.5% | 107 |
| PSA Airlines | 75% | 25 min | 5.6% | 286 |
Monthly on-time trend
Best time to fly from PHL to ILM
Aim for departures around 8 a.m. (88% on-time); avoid 8 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 83% | 21 min |
| Tuesday | 79% | 26 min |
| Wednesday | 75% | 13 min |
| Thursday | 78% | 20 min |
| Friday | 70% | 46 min |
| Saturday | 63% | 19 min |
| Sunday | 78% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations25%
- National airspace system13%
- Weather1%
Frequently asked questions
- How often are flights from PHL to ILM delayed?
- 25% of PHL–ILM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from PHL to ILM?
- Republic Airways has the best on-time record on this route at 75%, based on 107 flights. 2 airlines flew PHL–ILM frequently enough to compare in this period.
- What is the best time of day to fly from PHL to ILM?
- Departures around 8 a.m. have the best record (88% on-time), while departures around 8 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to ILM?
- The scheduled PHL–ILM flight time averages 1h 40m over 414 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are PHL to ILM flights cancelled?
- 5.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What day of the week is most reliable for PHL to ILM?
- Monday flights have the best record at 83% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 63%.
Explore related pages
More routes from PHL
Based on 393 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.