Wilmington (ILM) to Philadelphia (PHL): On-Time Performance
Data through May 2026
Wilmington (ILM) to Philadelphia (PHL) is a thinner route than most in this dataset — 151 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time. Cancellations are the bigger caveat: 4.1% of scheduled flights never departed.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 4.1%
- Flights/day
- 0.41
- last 12 months
- Duration
- 1h 34m
- scheduled
- Distance
- 414 mi
Best airline from ILM to PHL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| PSA Airlinesmost reliable | 83% | 19 min | 3.1% | 289 |
| Republic Airways | 78% | 16 min | 6.6% | 106 |
Monthly on-time trend
Best time to fly from ILM to PHL
Aim for departures around 7 a.m. (89% on-time); avoid 3 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 23 min |
| Tuesday | 84% | 19 min |
| Wednesday | 85% | 10 min |
| Thursday | 81% | 17 min |
| Friday | 76% | 28 min |
| Saturday | 78% | 20 min |
| Sundaybest | 86% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations29%
- National airspace system16%
- Weather4%
Frequently asked questions
- How often are flights from ILM to PHL delayed?
- 19% of ILM–PHL 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 18 minutes.
- Which airline is most reliable from ILM to PHL?
- PSA Airlines has the best on-time record on this route at 83%, based on 289 flights. 2 airlines flew ILM–PHL frequently enough to compare in this period.
- What is the best time of day to fly from ILM to PHL?
- Departures around 7 a.m. have the best record (89% on-time), while departures around 3 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ILM to PHL?
- The scheduled ILM–PHL flight time averages 1h 34m over 414 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are ILM to PHL flights cancelled?
- 4.1% 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 ILM to PHL?
- Sunday flights have the best record at 86% on-time. Day-of-week differences on this route are meaningful — Friday trails at 76%.
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Based on 395 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.