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

Miami, FL (MIA) to San Francisco, CA (SFO) flight delay odds

70.9% of 1,725 official scheduled MIA-to-SFO flights arrived on time; 18.4% arrived at least 30 minutes late and 0.7% 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
70.9%arrived on time
18.4%30+ min late
0.7%cancelled
1,725scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.5%all scheduled flights
120+ minutes late3.8%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.2 mincompleted flights

Which departure time was most reliable for MIA to SFO?

Among qualifying MIA-to-SFO departure window results, Early morning had the highest on-time rate: 85.5% of 612 flights. Evening was lowest at 61.8% across 965 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning61285.5%7.8%0.5%
Afternoon11563.5%27.8%0.0%
Evening96561.8%24.5%0.9%

Which weekday was most reliable for MIA to SFO?

Among qualifying MIA-to-SFO weekday results, Tuesday had the highest on-time rate: 80.4% of 240 flights. Monday was lowest at 64.0% across 250 flights.

DayFlightsOn time30+ minCancelled
Monday25064.0%22.4%1.6%
Tuesday24080.4%11.7%1.2%
Wednesday23873.9%14.7%1.3%
Thursday24770.0%19.8%0.0%
Friday25571.0%17.3%0.0%
Saturday24871.0%19.8%0.0%
Sunday24766.4%22.7%0.8%

Which airline was most reliable for MIA to SFO?

Among qualifying MIA-to-SFO airline results, United Airlines had the highest on-time rate: 71.6% of 623 flights. American Airlines was lowest at 70.5% across 1,102 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,10270.5%19.1%0.9%
United Airlines62371.6%17.2%0.3%

Which month was most reliable for MIA to SFO?

Among qualifying MIA-to-SFO month results, March 2026 had the highest on-time rate: 84.4% of 154 flights. June 2026 was lowest at 55.7% across 174 flights.

MonthFlightsOn time30+ minCancelled
July 202515570.3%18.7%0.6%
August 202514270.4%19.7%0.7%
September 20259178.0%13.2%0.0%
October 202512282.0%8.2%0.0%
November 202514381.8%12.6%0.0%
December 202513777.4%16.8%0.0%
January 202615371.2%18.3%3.9%
February 202613777.4%12.4%0.0%
March 202615484.4%8.4%1.9%
April 202615356.2%26.8%0.0%
May 202616456.1%28.0%0.0%
June 202617455.7%29.9%0.6%

What drove MIA to SFO delay minutes?

National airspace was the largest recorded MIA-to-SFO delay category, accounting for 35.2% of 31,526 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.0%
Late aircraft33.1%
National airspace35.2%
Weather3.7%
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.