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

Detroit, MI (DTW) to Boston, MA (BOS) flight delay odds

73.2% of 2,588 official scheduled DTW-to-BOS flights arrived on time; 17.9% arrived at least 30 minutes late and 2.1% 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 SIGNALGenerally reliable
73.2%arrived on time
17.9%30+ min late
2.1%cancelled
2,588scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+9.8 mincompleted flights

Which departure time was most reliable for DTW to BOS?

Among qualifying DTW-to-BOS departure window results, Early morning had the highest on-time rate: 87.1% of 598 flights. Evening was lowest at 58.7% across 549 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning59887.1%7.2%1.7%
Late morning62879.1%13.2%2.1%
Afternoon46267.3%22.5%1.1%
Evening54958.7%30.2%3.3%
Night35169.5%18.8%2.3%

Which weekday was most reliable for DTW to BOS?

Among qualifying DTW-to-BOS weekday results, Saturday had the highest on-time rate: 82.0% of 323 flights. Sunday was lowest at 64.7% across 391 flights.

DayFlightsOn time30+ minCancelled
Monday39168.8%22.0%3.6%
Tuesday36376.6%16.5%2.2%
Wednesday35478.2%14.4%0.6%
Thursday37671.8%20.2%1.3%
Friday39072.6%17.7%2.1%
Saturday32382.0%9.6%1.2%
Sunday39164.7%22.8%3.3%

Which airline was most reliable for DTW to BOS?

Among qualifying DTW-to-BOS airline results, Spirit Airlines had the highest on-time rate: 77.9% of 154 flights. JetBlue Airways was lowest at 71.6% across 723 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,71073.5%17.4%1.8%
JetBlue Airways72371.6%19.5%3.2%
Spirit Airlines15477.9%15.6%0.0%
Republic Airways10.0%0.0%0.0%

Which month was most reliable for DTW to BOS?

Among qualifying DTW-to-BOS month results, May 2026 had the highest on-time rate: 80.1% of 216 flights. January 2026 was lowest at 63.9% across 166 flights.

MonthFlightsOn time30+ minCancelled
July 202525064.4%24.4%4.4%
August 202525076.8%16.0%0.8%
September 202524472.5%20.9%0.4%
October 202527971.0%23.7%1.1%
November 202522775.3%15.9%1.3%
December 202519971.4%21.1%0.5%
January 202616663.9%18.1%7.8%
February 202615675.0%12.8%7.1%
March 202618079.4%13.9%1.1%
April 202620074.0%16.0%0.5%
May 202621680.1%12.0%0.5%
June 202622175.6%14.9%2.3%

What drove DTW to BOS delay minutes?

National airspace was the largest recorded DTW-to-BOS delay category, accounting for 40.6% of 46,157 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.1%
Late aircraft24.6%
National airspace40.6%
Weather1.7%
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.