Route · ILM → BOS · 2020–2025 BTS data
Wilmington to Boston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ILM to BOS (Wilmington to Boston) ranks #4532 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 71.5%
- On-time
- -7.5 pts
- vs US avg
- 77 min
- Delay when late
- 966
- Flights
- #4532 of 4927
- Corpus placement
Cancelled
1.7%
Best Month
Aug 2025 87%
Worst Month
Oct 2025 45%
Distance
672 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 64 | 35 | 1 | 0 | B6,YX,MQ |
| Sep 2025 | 69 | 24 | 1 | 0 | MQ,YX,B6 |
| Aug 2025 | 71 | 9 | 0 | 0 | YX,MQ,B6 |
| Jul 2025 | 73 | 15 | 3 | 0 | B6,YX,MQ |
| Jun 2025 | 70 | 23 | 0 | 0 | B6,YX,MQ |
| May 2025 | 71 | 24 | 2 | 0 | B6,YX,MQ |
| Apr 2025 | 32 | 3 | 0 | 0 | MQ,YX,B6 |
| Oct 2024 | 31 | 5 | 0 | 0 | MQ |
| Sep 2024 | 31 | 10 | 0 | 0 | YX,MQ |
| Aug 2024 | 40 | 12 | 2 | 1 | MQ,YX |
| Jul 2024 | 40 | 13 | 0 | 0 | MQ,YX |
| Jun 2024 | 36 | 12 | 1 | 0 | MQ,YX |
| Oct 2023 | 31 | 2 | 0 | 0 | MQ,YX |
| Sep 2023 | 32 | 9 | 3 | 0 | MQ,YX |
| Aug 2023 | 39 | 13 | 0 | 0 | MQ,YX |
| Jul 2023 | 44 | 20 | 1 | 1 | MQ,YX |
| Jun 2023 | 38 | 14 | 0 | 0 | MQ,YX |
| Oct 2022 | 31 | 6 | 0 | 0 | YX |
| Aug 2022 | 31 | 8 | 0 | 0 | MQ,YX |
| Jul 2022 | 31 | 8 | 1 | 0 | MQ |
| Jun 2022 | 30 | 3 | 1 | 0 | MQ |
| May 2022 | 31 | 7 | 0 | 0 | MQ |
ILM–BOS seasonal on-time pattern
Best: April (90.6%) · weakest: September (67.4%)
Strongest calendar month
April
90.6% on-time · ~32 flights/mo
Busiest calendar month
May
~51 flights/mo avg
Weakest calendar month
September
67.4% on-time · ~44 flights/mo
Cancellation Rate
1.7%
16 of 966 flights
Diversion Rate
0.2%
2 of 966 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ILM - Wilmington
Full on-time, delay-cause, and seasonal performance for Wilmington, NC.
ILM on-time profileBOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
BOS on-time profileCompare the two airports
See ILM and BOS side by side on delays, cancellations, and reliability.
Compare ILM vs BOSOrigin-hub reliability standing
Softer reliability from ILM
Among 8 routes leaving ILM, only 1 (including this one) clear below 75% on-time, while 2 stay ≥85% and 5 sit mid-band. Travelers comparing ILM options should weigh this 71.5% print against those peers · fleet on-time rank #4785 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ILM–BOS.
Routes with a similar on-time rate
What the Data Says About ILM to BOS
On-time performance on the ILM to BOS pairing (Wilmington to Boston) trails a chunk of the network: 71.5% of 966 tracked flights arrived on schedule, with a 77.1-minute average delay on the ones that ran late. The route spans about 672 miles across 7 carriers. Cancellations over the trailing 24 months hit 1.7% (16 of 966 flights), with 0.2% diverted.
The monthly split is wide on this route: Aug 2025 posted the strongest performance at 87% on-time, while Oct 2025 came in at just 45% - a 42-point swing worth factoring into travel timing.
On the multi-year calendar, ILM–BOS peaks in April at 90.6% on-time while May carries the heaviest traffic (~51 flights per month) ; the softest month is September at 67.4%, a 23.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ILM to BOS rank among US routes by traffic? ▼
How often are flights delayed from ILM to BOS? ▼
What is the cancellation rate for ILM to BOS? ▼
How far is the flight from ILM to BOS? ▼
When is the best time to fly from ILM to BOS? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using ILM–BOS data
ILM–BOS sits 7.5 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare ILM and BOS airport profiles: delay causes and top routes differ even on the same corridor. ILM airport
- If your dates flex, April (90.6% on-time) beats September (67.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 71.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.