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

San Francisco, CA (SFO) to Detroit, MI (DTW) flight delay odds

78.6% of 1,797 official scheduled SFO-to-DTW flights arrived on time; 12.6% arrived at least 30 minutes late and 0.8% 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
78.6%arrived on time
12.6%30+ min late
0.8%cancelled
1,797scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late1.4%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.1 mincompleted flights

Which departure time was most reliable for SFO to DTW?

Among qualifying SFO-to-DTW departure window results, Early morning had the highest on-time rate: 92.2% of 511 flights. Night was lowest at 71.1% across 460 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning51192.2%2.9%0.2%
Late morning36275.7%14.4%1.9%
Afternoon46473.5%16.6%0.9%
Night46071.1%18.0%0.7%

Which weekday was most reliable for SFO to DTW?

Among qualifying SFO-to-DTW weekday results, Tuesday had the highest on-time rate: 83.8% of 253 flights. Sunday was lowest at 75.1% across 269 flights.

DayFlightsOn time30+ minCancelled
Monday26376.4%12.5%1.5%
Tuesday25383.8%9.9%0.8%
Wednesday25580.4%9.8%0.0%
Thursday26475.8%14.0%0.8%
Friday25777.4%15.6%0.8%
Saturday23682.2%12.7%0.4%
Sunday26975.1%13.8%1.5%

Which airline was most reliable for SFO to DTW?

Among qualifying SFO-to-DTW airline results, United Airlines had the highest on-time rate: 82.9% of 409 flights. Delta Air Lines was lowest at 77.4% across 1,388 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,38877.4%13.6%0.9%
United Airlines40982.9%9.3%0.7%

Which month was most reliable for SFO to DTW?

Among qualifying SFO-to-DTW month results, April 2026 had the highest on-time rate: 88.4% of 146 flights. June 2026 was lowest at 67.2% across 177 flights.

MonthFlightsOn time30+ minCancelled
July 202519072.6%16.8%1.6%
August 202515981.8%10.7%0.6%
September 202514584.1%6.2%0.0%
October 202515483.1%7.1%0.0%
November 202514685.6%7.5%0.7%
December 202514170.2%18.4%3.5%
January 202612675.4%18.3%0.0%
February 202611285.7%8.0%0.0%
March 202614585.5%9.0%2.1%
April 202614688.4%6.2%0.7%
May 202615669.2%21.2%0.0%
June 202617767.2%19.2%0.6%

What drove SFO to DTW delay minutes?

Late aircraft was the largest recorded SFO-to-DTW delay category, accounting for 51.8% of 19,462 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.7%
Late aircraft51.8%
National airspace15.7%
Weather0.8%
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.