BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ILM→BOS

Wilmington, NC (ILM) to Boston, MA (BOS) flight delay odds

67.4% of 439 official scheduled ILM-to-BOS flights arrived on time; 25.1% arrived at least 30 minutes late and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
67.4%arrived on time
25.1%30+ min late
1.1%cancelled
439scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.5%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+13.7 mincompleted flights

Which departure time was most reliable for ILM to BOS?

Among qualifying ILM-to-BOS departure window results, Late morning had the highest on-time rate: 84.6% of 104 flights. Afternoon was lowest at 62.2% across 333 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning10484.6%9.6%1.0%
Afternoon33362.2%29.7%1.2%

Which weekday was most reliable for ILM to BOS?

Among qualifying ILM-to-BOS weekday results, Saturday had the highest on-time rate: 78.8% of 85 flights. Thursday was lowest at 57.9% across 57 flights.

DayFlightsOn time30+ minCancelled
Monday5560.0%25.5%1.8%
Tuesday5874.1%20.7%0.0%
Wednesday5766.7%24.6%1.8%
Thursday5757.9%29.8%3.5%
Friday5658.9%35.7%0.0%
Saturday8578.8%16.5%0.0%
Sunday7169.0%26.8%1.4%

Which airline was most reliable for ILM to BOS?

Among qualifying ILM-to-BOS airline results, Republic Airways had the highest on-time rate: 76.3% of 135 flights. Envoy Air was lowest at 58.1% across 124 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways18067.2%25.6%1.1%
Republic Airways13576.3%17.0%0.0%
Envoy Air12458.1%33.1%2.4%

Which month was most reliable for ILM to BOS?

Among qualifying ILM-to-BOS month results, August 2025 had the highest on-time rate: 87.3% of 71 flights. October 2025 was lowest at 43.8% across 64 flights.

MonthFlightsOn time30+ minCancelled
July 20257375.3%15.1%4.1%
August 20257187.3%9.9%0.0%
September 20256963.8%29.0%1.4%
October 20256443.8%48.4%1.6%
April 20262867.9%17.9%0.0%
May 20266765.7%25.4%0.0%
June 20266465.6%28.1%0.0%

What drove ILM to BOS delay minutes?

National airspace was the largest recorded ILM-to-BOS delay category, accounting for 57.2% of 9,094 BTS-attributed delay minutes during July 2025–June 2026.

Airline7.2%
Late aircraft25.3%
National airspace57.2%
Weather10.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.