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

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

Historically, 67.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,881 flights.

HISTORICAL ROUTE SIGNALVariable
67.8%arrived on time
19.1%30+ min late
3.4%cancelled
1,881scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.6%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+15.4 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 morning53483.9%7.1%2.4%
Late morning13257.6%25.0%3.0%
Afternoon60270.6%18.3%1.3%
Evening16469.5%19.5%3.7%
Night44947.4%32.5%7.3%

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
Monday28962.3%23.9%5.9%
Tuesday23966.1%18.8%2.5%
Wednesday22176.0%14.0%1.4%
Thursday27673.6%14.9%0.7%
Friday29267.1%18.2%2.7%
Saturday27668.8%18.1%4.3%
Sunday28862.8%24.3%5.6%

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
Frontier Airlines86758.7%26.0%3.3%
American Airlines70177.2%12.6%2.7%
Spirit Airlines21662.5%20.8%7.4%
JetBlue Airways9793.8%1.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202513255.3%30.3%3.8%
August 202512961.2%24.8%2.3%
September 20256561.5%23.1%0.0%
October 20259376.3%15.1%0.0%
November 202512574.4%15.2%1.6%
December 202516454.3%29.9%3.7%
January 202619452.6%22.7%10.8%
February 202617564.6%17.1%5.7%
March 202620360.6%27.6%3.0%
April 202622478.1%12.9%3.1%
May 202619784.8%8.1%0.5%
June 202618083.9%8.3%1.7%

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.

Airline43.7%
Late aircraft44.3%
National airspace11.6%
Weather0.4%
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.