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

Phoenix, AZ (PHX) to San Antonio, TX (SAT) flight delay odds

76.5% of 2,512 official scheduled PHX-to-SAT flights arrived on time; 14.6% 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
76.5%arrived on time
14.6%30+ min late
0.4%cancelled
2,512scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+8.9 mincompleted flights

Which departure time was most reliable for PHX to SAT?

Among qualifying PHX-to-SAT departure window results, Early morning had the highest on-time rate: 92.9% of 476 flights. Night was lowest at 55.6% across 54 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning47692.9%3.2%0.0%
Late morning50983.9%9.2%0.6%
Afternoon88172.3%17.0%0.3%
Evening59265.2%23.3%0.8%
Night5455.6%31.5%0.0%

Which weekday was most reliable for PHX to SAT?

Among qualifying PHX-to-SAT weekday results, Wednesday had the highest on-time rate: 83.3% of 342 flights. Thursday was lowest at 71.4% across 391 flights.

DayFlightsOn time30+ minCancelled
Monday39373.8%15.8%0.3%
Tuesday34982.5%10.6%0.6%
Wednesday34283.3%10.2%0.0%
Thursday39171.4%19.2%0.3%
Friday38772.6%17.3%0.5%
Saturday27177.5%12.5%0.7%
Sunday37976.3%15.0%0.8%

Which airline was most reliable for PHX to SAT?

Among qualifying PHX-to-SAT airline results, Frontier Airlines had the highest on-time rate: 90.8% of 65 flights. Southwest Airlines was lowest at 74.4% across 1,388 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,38874.4%15.1%0.2%
American Airlines1,01978.6%14.6%0.8%
Frontier Airlines6590.8%4.6%0.0%
Envoy Air4075.0%12.5%0.0%

Which month was most reliable for PHX to SAT?

Among qualifying PHX-to-SAT month results, January 2026 had the highest on-time rate: 84.7% of 216 flights. July 2025 was lowest at 67.4% across 193 flights.

MonthFlightsOn time30+ minCancelled
July 202519367.4%22.8%0.5%
August 202517577.1%14.9%0.6%
September 202517181.9%11.1%1.2%
October 202520173.6%16.9%0.0%
November 202523675.4%16.9%0.4%
December 202525277.8%15.5%0.0%
January 202621684.7%8.3%2.3%
February 202617180.1%8.2%0.0%
March 202623375.1%13.7%0.0%
April 202623279.7%11.2%0.0%
May 202623174.0%14.7%0.4%
June 202620171.6%20.4%0.0%

What drove PHX to SAT delay minutes?

Late aircraft was the largest recorded PHX-to-SAT delay category, accounting for 59.4% of 34,164 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.8%
Late aircraft59.4%
National airspace5.1%
Weather1.6%
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.