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

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

Historically, 67.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,644 flights.

HISTORICAL ROUTE SIGNALVariable
67.2%arrived on time
22.0%30+ min late
0.6%cancelled
4,644scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.4%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+15.2 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 morning1,09675.3%15.5%0.1%
Late morning98268.0%21.0%0.6%
Afternoon1,08467.9%21.9%0.7%
Evening1,13762.0%27.1%0.5%
Night34554.5%29.6%1.4%

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
Monday69561.2%27.9%0.3%
Tuesday60176.7%13.1%0.2%
Wednesday62567.8%20.6%0.5%
Thursday69961.9%26.5%0.4%
Friday69667.1%23.7%0.6%
Saturday62475.6%15.2%0.6%
Sunday70462.5%25.0%1.3%

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 Airlines1,44472.7%18.5%0.6%
American Airlines1,31966.3%23.1%0.9%
Southwest Airlines1,07960.2%25.6%0.3%
SkyWest Airlines53868.2%22.5%0.2%
Frontier Airlines26368.1%20.5%0.8%
Envoy Air1100.0%0.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202535664.3%21.3%0.3%
August 202534173.0%17.6%0.0%
September 202534276.0%14.3%1.2%
October 202536671.0%19.4%0.0%
November 202539074.1%15.4%2.3%
December 202542573.9%18.6%0.5%
January 202637776.9%15.9%1.9%
February 202636080.8%11.7%0.0%
March 202645483.0%11.0%0.2%
April 202643253.7%29.2%0.2%
May 202641845.0%40.2%0.2%
June 202638337.3%47.5%0.0%

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.

Airline22.7%
Late aircraft35.0%
National airspace39.9%
Weather2.2%
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.