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

San Juan, PR (SJU) to Washington, DC (DCA) flight delay odds

68.8% of 365 official scheduled SJU-to-DCA flights arrived on time; 21.9% arrived at least 30 minutes late and 1.4% 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 SIGNALVariable
68.8%arrived on time
21.9%30+ min late
1.4%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.4%all scheduled flights
120+ minutes late7.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+18.9 mincompleted flights

Which departure time was most reliable for SJU to DCA?

Only Evening met the SJU-to-DCA departure window threshold: 68.8% of 365 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening36568.8%21.9%1.4%

Which weekday was most reliable for SJU to DCA?

Among qualifying SJU-to-DCA weekday results, Friday had the highest on-time rate: 82.7% of 52 flights. Sunday was lowest at 48.1% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5263.5%25.0%0.0%
Tuesday5367.9%20.8%1.9%
Wednesday5271.2%21.2%0.0%
Thursday5273.1%19.2%0.0%
Friday5282.7%11.5%1.9%
Saturday5275.0%19.2%3.8%
Sunday5248.1%36.5%1.9%

Which airline was most reliable for SJU to DCA?

Only JetBlue Airways met the SJU-to-DCA airline threshold: 68.8% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways36568.8%21.9%1.4%

Which month was most reliable for SJU to DCA?

Among qualifying SJU-to-DCA month results, April 2026 had the highest on-time rate: 86.7% of 30 flights. January 2026 was lowest at 38.7% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253151.6%29.0%0.0%
August 20253167.7%19.4%0.0%
September 20253073.3%10.0%0.0%
October 20253158.1%32.3%0.0%
November 20253070.0%26.7%0.0%
December 20253180.6%19.4%0.0%
January 20263138.7%45.2%12.9%
February 20262867.9%21.4%0.0%
March 20263177.4%16.1%3.2%
April 20263086.7%13.3%0.0%
May 20263180.6%12.9%0.0%
June 20263073.3%16.7%0.0%

What drove SJU to DCA delay minutes?

Late aircraft was the largest recorded SJU-to-DCA delay category, accounting for 61.9% of 9,380 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.4%
Late aircraft61.9%
National airspace13.8%
Weather0.9%
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.