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

Detroit, MI (DTW) to Buffalo, NY (BUF) flight delay odds

77.5% of 1,091 official scheduled DTW-to-BUF flights arrived on time; 16.1% arrived at least 30 minutes late and 1.7% 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
77.5%arrived on time
16.1%30+ min late
1.7%cancelled
1,091scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.2%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+14.3 mincompleted flights

Which departure time was most reliable for DTW to BUF?

Among qualifying DTW-to-BUF departure window results, Early morning had the highest on-time rate: 81.8% of 165 flights. Night was lowest at 76.0% across 363 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16581.8%13.9%1.2%
Late morning19176.4%16.2%2.6%
Afternoon25577.3%16.1%2.7%
Evening11777.8%16.2%0.9%
Night36376.0%17.1%1.1%

Which weekday was most reliable for DTW to BUF?

Among qualifying DTW-to-BUF weekday results, Thursday had the highest on-time rate: 83.3% of 156 flights. Sunday was lowest at 70.7% across 157 flights.

DayFlightsOn time30+ minCancelled
Monday16173.9%14.3%2.5%
Tuesday15877.2%19.0%1.3%
Wednesday15481.8%12.3%0.6%
Thursday15683.3%14.1%0.6%
Friday15474.7%16.9%3.2%
Saturday15180.8%14.6%0.0%
Sunday15770.7%21.7%3.8%

Which airline was most reliable for DTW to BUF?

Among qualifying DTW-to-BUF airline results, SkyWest Airlines had the highest on-time rate: 78.0% of 641 flights. Delta Air Lines was lowest at 76.5% across 443 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines64178.0%15.9%1.6%
Delta Air Lines44376.5%16.7%1.8%
Republic Airways785.7%0.0%14.3%

Which month was most reliable for DTW to BUF?

Among qualifying DTW-to-BUF month results, October 2025 had the highest on-time rate: 89.1% of 128 flights. July 2025 was lowest at 52.9% across 34 flights.

MonthFlightsOn time30+ minCancelled
July 20253452.9%32.4%0.0%
August 20253865.8%26.3%0.0%
September 20255488.9%5.6%0.0%
October 202512889.1%7.8%0.0%
November 202510880.6%12.0%3.7%
December 20259857.1%29.6%4.1%
January 20266259.7%27.4%6.5%
February 20268078.8%16.2%1.2%
March 202611877.1%17.8%2.5%
April 202612987.6%10.1%0.0%
May 202610776.6%15.0%0.9%
June 202613582.2%14.8%1.5%

What drove DTW to BUF delay minutes?

Airline was the largest recorded DTW-to-BUF delay category, accounting for 65.8% of 23,944 BTS-attributed delay minutes during July 2025–June 2026.

Airline65.8%
Late aircraft7.3%
National airspace8.8%
Weather18.1%
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.