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

Philadelphia, PA (PHL) to San Diego, CA (SAN) flight delay odds

77.2% of 1,046 official scheduled PHL-to-SAN flights arrived on time; 13.1% arrived at least 30 minutes late and 1.3% 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
77.2%arrived on time
13.1%30+ min late
1.3%cancelled
1,046scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+4.5 mincompleted flights

Which departure time was most reliable for PHL to SAN?

Among qualifying PHL-to-SAN departure window results, Early morning had the highest on-time rate: 87.0% of 362 flights. Evening was lowest at 69.2% across 389 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36287.0%5.8%1.1%
Afternoon29475.5%16.0%1.0%
Evening38969.2%17.7%1.8%

Which weekday was most reliable for PHL to SAN?

Among qualifying PHL-to-SAN weekday results, Tuesday had the highest on-time rate: 79.7% of 153 flights. Monday was lowest at 72.8% across 151 flights.

DayFlightsOn time30+ minCancelled
Monday15172.8%13.9%2.6%
Tuesday15379.7%12.4%0.7%
Wednesday14877.7%11.5%0.7%
Thursday14875.0%14.9%0.7%
Friday15079.3%12.0%0.7%
Saturday14778.2%13.6%0.7%
Sunday14977.2%13.4%3.4%

Which airline was most reliable for PHL to SAN?

Only American Airlines met the PHL-to-SAN airline threshold: 77.2% of 1,046 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines1,04677.2%13.1%1.3%

Which month was most reliable for PHL to SAN?

Among qualifying PHL-to-SAN month results, March 2026 had the highest on-time rate: 88.2% of 93 flights. July 2025 was lowest at 63.4% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20259363.4%25.8%2.2%
August 20259280.4%15.2%0.0%
September 20259081.1%11.1%0.0%
October 20259076.7%13.3%0.0%
November 20258774.7%12.6%1.1%
December 20259176.9%14.3%1.1%
January 20266770.1%9.0%7.5%
February 20267372.6%12.3%5.5%
March 20269388.2%8.6%1.1%
April 20269078.9%6.7%0.0%
May 20269081.1%13.3%0.0%
June 20269078.9%13.3%0.0%

What drove PHL to SAN delay minutes?

Airline was the largest recorded PHL-to-SAN delay category, accounting for 32.7% of 15,120 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.7%
Late aircraft29.2%
National airspace27.1%
Weather10.8%
Security0.2%
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.