PHL to ILM flight delays & on-time performance
Nonstop flights from Philadelphia International Airport to Wilmington International Airport · 414 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL or ILM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Philadelphia (PHL) to Wilmington (ILM) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 6.4% were cancelled, and 8% arrived an hour or more late.
- Republic Airways was the most punctual airline here (75% on time); PSA Airlines was the least (66%).
- Departures scheduled around 12pm did best (75% on time); around 7pm did worst (64%).
- Friday was the most reliable day to fly (80% on time) and Saturday the least (61%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (53%).
Which airline is most on time from PHL to ILM?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 75% | 11.1% | 19 min | 9.4% | 36 |
| PSA AirlinesRegional airline operating American Eagle flights. | 66% | 2.4% | 19 min | 7.3% | 42 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm75%36 flights
- 7pm64%26 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%10.0% cancelled
- Tuesday73%0.0% cancelled
- Wednesday67%10.0% cancelled
- Thursday89%0.0% cancelled
- Friday80%0.0% cancelled
- Saturday61%5.3% cancelled
- Sunday57%22.2% 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)53%
- Late-arriving aircraft38%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
PHL to ILM: common questions
- How often are PHL to ILM flights on time?
- 70% 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 Philadelphia to Wilmington cancelled?
- 6.4% of scheduled flights were cancelled (5 of 78).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 8.2% of flights were an hour or more late.
- How long is taxi time at PHL?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ILM to PHL — 87% on time
More flights from Philadelphia
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHL → ILM, nonstop flights by US airlines that report to the DOT. How we calculate this.