ON TIMEBOARD

ILM → BOS on time

Wilmington (Wilmington, NC) to Boston Logan (Boston, MA). Every scheduled flight, September 2025 to August 2026.

On time
54%
arrived < 15 min late
Cancelled
2.3%
429 flights
Typical arrival
+6 min
median vs schedule
When late
+85 min
average delay
Flights / day
1
3 airlines

54% of flights from Wilmington to Boston arrived on time over the past 12 months. That is worse than the typical U.S. route. Most reliable airline: American Airlines (56%). 22% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ILM → BOS: when a flight was late, it was under 45 minutes late 39% of the time. About 1 in 5 flights landed an hour or more late, and 1 in 36 three hours or more; 2.3% were cancelled outright.

Share of all 429 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines20956%3.4%+5 min17.2%+66 minRepublic Airways 70%, Envoy 30%
JetBlue18047%1.1%+17 min23.3%+103 minJetBlue
Delta Air Lines40—————Republic Airways

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at ILM). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%11 a.m. departures: too few flights (28 flights)11anoon departures: too few flights (93 flights)12p1 p.m. departures: too few flights (57 flights)1p2 p.m. departures: 62% on time (137 flights)622p3 p.m. departures: too few flights (22 flights)3p4 p.m. departures: too few flights (82 flights)4p
ILM → BOS, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: June (66%). Worst: July (59%).

40%70%100%Jan: too few flightsJanFeb: too few flightsFebMar: too few flightsMarApr: too few flights (60 flights)AprMay: 65% on time (140 flights)65MayJun: 66% on time (170 flights)66JunJul: 59% on time (180 flights)59JulAug: 65% on time (178 flights)65AugSep: 64% on time (132 flights)64SepOct: 66% on time (126 flights)66OctNov: too few flights (11 flights)NovDec: too few flightsDec

By day of week

DayFlightsOn timeCancelled
Monday57——
Tuesday55——
Wednesday56——
Thursday56——
Friday57——
Saturday84——
Sunday64——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Air traffic & airport (NAS) 41%Late inbound plane 32%Airline (crew, maintenance, ops) 18%Severe weather 8%

Cancellations: air traffic/airport 6 · weather 3 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
B6 12904:49 p.m.18047%1.1%+17 minJetBlue

Worst days in the past year

DateFlightsOn timeCancelled
Aug 22, 202630%0
May 30, 202630%0
Aug 8, 202630%1
Sep 7, 202530%0
Jul 18, 202630%2

Questions

How often are flights from ILM to BOS on time?

54% of 429 scheduled flights from Wilmington, NC to Boston, MA arrived within 15 minutes of schedule between September 2025 and August 2026. 2.3% were cancelled.

Which airline is most on time from ILM to BOS?

American Airlines: 56% of its 209 flights on the route arrived on time. JetBlue: 47%.

What month has the most delays from ILM to BOS?

July (59% on time). The best month is June (66%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.