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

Tucson, AZ (TUS) to San Francisco, CA (SFO) flight delay odds

71.2% of 966 official scheduled TUS-to-SFO flights arrived on time; 18.3% arrived at least 30 minutes late and 0.4% 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
71.2%arrived on time
18.3%30+ min late
0.4%cancelled
966scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.8%all scheduled flights
120+ minutes late4.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+12.7 mincompleted flights

Which departure time was most reliable for TUS to SFO?

Among qualifying TUS-to-SFO departure window results, Early morning had the highest on-time rate: 74.4% of 324 flights. Late morning was lowest at 63.8% across 116 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32474.4%13.6%0.0%
Late morning11663.8%24.1%0.0%
Afternoon32972.3%19.5%0.6%
Evening19768.5%20.8%1.0%

Which weekday was most reliable for TUS to SFO?

Among qualifying TUS-to-SFO weekday results, Tuesday had the highest on-time rate: 79.5% of 122 flights. Friday was lowest at 62.1% across 140 flights.

DayFlightsOn time30+ minCancelled
Monday14865.5%24.3%0.0%
Tuesday12279.5%9.8%0.8%
Wednesday14170.9%17.7%0.0%
Thursday14572.4%20.0%0.0%
Friday14062.1%27.1%0.0%
Saturday12477.4%10.5%1.6%
Sunday14672.6%16.4%0.7%

Which airline was most reliable for TUS to SFO?

Among qualifying TUS-to-SFO airline results, SkyWest Airlines had the highest on-time rate: 71.5% of 904 flights. United Airlines was lowest at 67.7% across 62 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines90471.5%17.9%0.3%
United Airlines6267.7%24.2%1.6%

Which month was most reliable for TUS to SFO?

Among qualifying TUS-to-SFO month results, August 2025 had the highest on-time rate: 94.7% of 75 flights. June 2026 was lowest at 35.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20258380.7%7.2%0.0%
August 20257594.7%5.3%0.0%
September 20256088.3%3.3%0.0%
October 20257374.0%21.9%1.4%
November 202511986.6%13.4%0.0%
December 20259168.1%18.7%1.1%
January 20268174.1%14.8%2.5%
February 20267572.0%13.3%0.0%
March 20268085.0%10.0%0.0%
April 20268648.8%31.4%0.0%
May 20268339.8%42.2%0.0%
June 20266035.0%40.0%0.0%

What drove TUS to SFO delay minutes?

National airspace was the largest recorded TUS-to-SFO delay category, accounting for 61.7% of 19,191 BTS-attributed delay minutes during July 2025–June 2026.

Airline16.7%
Late aircraft19.6%
National airspace61.7%
Weather2.0%
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.