ILM to BOS flight delays & on-time performance
Nonstop flights from Wilmington International Airport to Boston Logan International Airport · 672 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ILM or BOS 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 Boston (BOS) arrived on time 63% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.6% were cancelled, and 15% arrived an hour or more late.
- Republic Airways was the most punctual airline here (70% on time); Envoy Air was the least (57%).
- Departures scheduled around 10am did best (100% on time); around 4pm did worst (31%).
- Saturday was the most reliable day to fly (74% on time) and Thursday the least (53%).
- The largest source of delay minutes was air traffic control & airport congestion (44%).
Which airline is most on time from ILM to BOS?
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. | 70% | 3.1% | 21 min | 13.5% | 160 |
| JetBlue | 59% | 0.6% | 41 min | 15.7% | 180 |
| Envoy AirRegional airline operating American Eagle flights. | 57% | 1.1% | 29 min | 15.2% | 93 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am100%33 flights
- 11am71%35 flights
- 12pm67%96 flights
- 1pm55%92 flights
- 2pm68%102 flights
- 3pm47%20 flights
- 4pm31%52 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday58%3.6% cancelled
- Tuesday64%3.6% cancelled
- Wednesday59%0.0% cancelled
- Thursday53%1.8% cancelled
- Friday54%0.0% cancelled
- Saturday74%2.4% cancelled
- Sunday69%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion44%
- Late-arriving aircraft25%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion57%
- Extreme weather43%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ILM to BOS: common questions
- How often are ILM to BOS flights on time?
- 63% 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 Boston cancelled?
- 1.6% of scheduled flights were cancelled (7 of 433).
- How long are typical delays?
- Across all flights the average arrival delay was 31 min (early arrivals count as zero). Flights that were late arrived 81 min behind schedule on average, and 14.8% of flights were an hour or more late.
- How long is taxi time at ILM?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to ILM — 82% 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 → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.