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

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

79.4% of 966 official scheduled SFO-to-TUS flights arrived on time; 12.7% arrived at least 30 minutes late and 0.3% 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
79.4%arrived on time
12.7%30+ min late
0.3%cancelled
966scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.6%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.7 mincompleted flights

Which departure time was most reliable for SFO to TUS?

Among qualifying SFO-to-TUS departure window results, Early morning had the highest on-time rate: 83.6% of 293 flights. Afternoon was lowest at 73.8% across 301 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning29383.6%9.2%0.0%
Afternoon30173.8%16.3%0.7%
Evening37180.6%12.7%0.3%

Which weekday was most reliable for SFO to TUS?

Among qualifying SFO-to-TUS weekday results, Saturday had the highest on-time rate: 83.9% of 124 flights. Friday was lowest at 76.4% across 140 flights.

DayFlightsOn time30+ minCancelled
Monday14778.9%14.3%0.0%
Tuesday12181.0%10.7%0.8%
Wednesday14178.7%15.6%0.0%
Thursday14577.2%12.4%0.0%
Friday14076.4%15.0%0.0%
Saturday12483.9%8.9%0.8%
Sunday14880.4%11.5%0.7%

Which airline was most reliable for SFO to TUS?

Among qualifying SFO-to-TUS airline results, SkyWest Airlines had the highest on-time rate: 79.7% of 903 flights. United Airlines was lowest at 74.6% across 63 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines90379.7%12.5%0.3%
United Airlines6374.6%15.9%0.0%

Which month was most reliable for SFO to TUS?

Among qualifying SFO-to-TUS month results, July 2025 had the highest on-time rate: 85.5% of 83 flights. June 2026 was lowest at 70.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20258385.5%8.4%0.0%
August 20257584.0%12.0%0.0%
September 20256083.3%6.7%0.0%
October 20257482.4%12.2%0.0%
November 202512078.3%10.8%0.0%
December 20258973.0%21.3%2.2%
January 20268175.3%14.8%1.2%
February 20267578.7%12.0%0.0%
March 20268085.0%10.0%0.0%
April 20268680.2%10.5%0.0%
May 20268377.1%15.7%0.0%
June 20266070.0%18.3%0.0%

What drove SFO to TUS delay minutes?

National airspace was the largest recorded SFO-to-TUS delay category, accounting for 38.0% of 11,531 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.7%
Late aircraft31.1%
National airspace38.0%
Weather1.8%
Security0.4%
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.