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

San Francisco, CA (SFO) to Phoenix, AZ (PHX) flight delay odds

73.7% of 4,643 official scheduled SFO-to-PHX flights arrived on time; 17.1% 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
73.7%arrived on time
17.1%30+ min late
0.8%cancelled
4,643scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.7%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+12.9 mincompleted flights

Which departure time was most reliable for SFO to PHX?

Among qualifying SFO-to-PHX departure window results, Early morning had the highest on-time rate: 91.9% of 1,209 flights. Afternoon was lowest at 65.7% across 1,555 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,20991.9%4.2%0.7%
Late morning79168.4%21.0%0.4%
Afternoon1,55565.7%22.4%0.9%
Evening88068.1%21.6%0.9%
Night20871.2%19.2%1.0%

Which weekday was most reliable for SFO to PHX?

Among qualifying SFO-to-PHX weekday results, Saturday had the highest on-time rate: 80.0% of 625 flights. Monday was lowest at 67.5% across 692 flights.

DayFlightsOn time30+ minCancelled
Monday69267.5%21.1%1.0%
Tuesday60879.6%12.5%0.7%
Wednesday62176.5%15.8%0.8%
Thursday69872.2%18.8%0.6%
Friday68771.5%18.3%0.4%
Saturday62580.0%11.5%1.0%
Sunday71270.1%20.5%1.0%

Which airline was most reliable for SFO to PHX?

Among qualifying SFO-to-PHX airline results, SkyWest Airlines had the highest on-time rate: 86.6% of 538 flights. Frontier Airlines was lowest at 57.8% across 263 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,44380.2%11.6%0.5%
American Airlines1,32074.9%18.0%0.8%
Southwest Airlines1,07960.8%25.2%0.6%
SkyWest Airlines53886.6%6.7%0.7%
Frontier Airlines26357.8%30.8%3.0%

Which month was most reliable for SFO to PHX?

Among qualifying SFO-to-PHX month results, March 2026 had the highest on-time rate: 84.1% of 452 flights. June 2026 was lowest at 64.3% across 384 flights.

MonthFlightsOn time30+ minCancelled
July 202535671.1%19.9%0.8%
August 202534177.4%14.7%0.9%
September 202534275.7%13.2%1.2%
October 202536772.5%18.5%0.0%
November 202539066.4%20.8%2.6%
December 202542574.6%16.7%0.2%
January 202637680.1%12.0%1.9%
February 202636180.9%12.2%0.3%
March 202645284.1%9.5%0.0%
April 202643268.8%19.4%1.2%
May 202641768.3%21.6%0.2%
June 202638464.3%26.8%0.3%

What drove SFO to PHX delay minutes?

Late aircraft was the largest recorded SFO-to-PHX delay category, accounting for 55.4% of 87,800 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.2%
Late aircraft55.4%
National airspace9.8%
Weather0.6%
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.