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

Philadelphia, PA (PHL) to San Juan, PR (SJU) flight delay odds

60.8% of 1,879 official scheduled PHL-to-SJU flights arrived on time; 25.4% arrived at least 30 minutes late and 3.2% 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 SIGNALVariable
60.8%arrived on time
25.4%30+ min late
3.2%cancelled
1,879scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late14.4%all scheduled flights
120+ minutes late5.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+24.7 mincompleted flights

Which departure time was most reliable for PHL to SJU?

Among qualifying PHL-to-SJU departure window results, Night had the highest on-time rate: 80.6% of 62 flights. Evening was lowest at 51.1% across 779 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning43267.6%18.3%2.8%
Late morning35971.3%18.9%1.4%
Afternoon24759.5%25.1%1.2%
Evening77951.1%33.8%4.9%
Night6280.6%8.1%3.2%

Which weekday was most reliable for PHL to SJU?

Among qualifying PHL-to-SJU weekday results, Tuesday had the highest on-time rate: 69.6% of 230 flights. Sunday was lowest at 53.8% across 288 flights.

DayFlightsOn time30+ minCancelled
Monday28056.8%30.4%5.0%
Tuesday23069.6%18.7%0.9%
Wednesday23268.1%22.0%0.4%
Thursday28161.2%24.6%1.8%
Friday29262.0%26.7%2.7%
Saturday27657.2%24.3%4.0%
Sunday28853.8%29.2%6.6%

Which airline was most reliable for PHL to SJU?

Among qualifying PHL-to-SJU airline results, JetBlue Airways had the highest on-time rate: 77.3% of 97 flights. Spirit Airlines was lowest at 55.1% across 216 flights.

AirlineFlightsOn time30+ minCancelled
Frontier Airlines86555.8%28.9%3.4%
American Airlines70166.5%21.5%2.0%
Spirit Airlines21655.1%28.7%7.9%
JetBlue Airways9777.3%14.4%0.0%

Which month was most reliable for PHL to SJU?

Among qualifying PHL-to-SJU month results, May 2026 had the highest on-time rate: 76.8% of 198 flights. July 2025 was lowest at 41.7% across 132 flights.

MonthFlightsOn time30+ minCancelled
July 202513241.7%42.4%4.5%
August 202512650.8%32.5%2.4%
September 20256459.4%17.2%0.0%
October 20259562.1%25.3%0.0%
November 202512670.6%18.3%1.6%
December 202516352.8%35.6%2.5%
January 202619250.5%26.6%10.4%
February 202617656.2%26.1%6.2%
March 202620356.7%32.5%3.0%
April 202622471.9%17.0%2.7%
May 202619876.8%14.1%0.5%
June 202618071.1%19.4%0.6%

What drove PHL to SJU delay minutes?

Airline was the largest recorded PHL-to-SJU delay category, accounting for 40.8% of 55,759 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.8%
Late aircraft30.5%
National airspace23.7%
Weather4.9%
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.