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

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

67.1% of 1,799 official scheduled DTW-to-SFO flights arrived on time; 20.1% arrived at least 30 minutes late and 0.9% 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
67.1%arrived on time
20.1%30+ min late
0.9%cancelled
1,799scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.1%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+15.8 mincompleted flights

Which departure time was most reliable for DTW to SFO?

Among qualifying DTW-to-SFO departure window results, Early morning had the highest on-time rate: 71.3% of 589 flights. Evening was lowest at 61.2% across 562 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning58971.3%15.6%0.8%
Afternoon64068.1%18.0%0.6%
Evening56261.2%27.2%1.2%

Which weekday was most reliable for DTW to SFO?

Among qualifying DTW-to-SFO weekday results, Tuesday had the highest on-time rate: 76.7% of 253 flights. Monday was lowest at 61.3% across 269 flights.

DayFlightsOn time30+ minCancelled
Monday26961.3%25.3%1.5%
Tuesday25376.7%9.5%0.8%
Wednesday25071.6%17.2%0.4%
Thursday26465.5%22.7%1.1%
Friday26463.3%25.4%0.8%
Saturday23069.1%19.1%0.4%
Sunday26963.2%20.4%1.1%

Which airline was most reliable for DTW to SFO?

Among qualifying DTW-to-SFO airline results, United Airlines had the highest on-time rate: 70.8% of 411 flights. Delta Air Lines was lowest at 66.0% across 1,388 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,38866.0%20.6%0.8%
United Airlines41170.8%18.2%1.2%

Which month was most reliable for DTW to SFO?

Among qualifying DTW-to-SFO month results, September 2025 had the highest on-time rate: 93.8% of 145 flights. June 2026 was lowest at 42.1% across 178 flights.

MonthFlightsOn time30+ minCancelled
July 202519070.5%16.8%1.6%
August 202516075.6%13.1%0.6%
September 202514593.8%2.8%0.0%
October 202515479.9%11.0%0.0%
November 202514670.5%21.2%0.7%
December 202514151.1%31.2%3.5%
January 202612663.5%23.8%0.0%
February 202611267.0%17.9%0.0%
March 202614568.3%16.6%2.1%
April 202614667.1%14.4%0.7%
May 202615658.3%25.6%0.0%
June 202617842.1%43.3%1.1%

What drove DTW to SFO delay minutes?

National airspace was the largest recorded DTW-to-SFO delay category, accounting for 40.4% of 37,787 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.2%
Late aircraft16.7%
National airspace40.4%
Weather5.4%
Security0.2%
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.