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

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

Historically, 73.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,643 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.