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

Hartford, CT (BDL) to San Juan, PR (SJU) flight delay odds

61.6% of 961 official scheduled BDL-to-SJU flights arrived on time; 25.9% arrived at least 30 minutes late and 1.9% 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
61.6%arrived on time
25.9%30+ min late
1.9%cancelled
961scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.9%all scheduled flights
120+ minutes late6.8%all scheduled flights
Diverted1.1%did not reach as scheduled
Average arrival+29.8 mincompleted flights

Which departure time was most reliable for BDL to SJU?

Among qualifying BDL-to-SJU departure window results, Early morning had the highest on-time rate: 72.9% of 207 flights. Evening was lowest at 55.2% across 353 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning20772.9%18.4%1.9%
Late morning28558.9%22.1%3.2%
Afternoon10067.0%25.0%1.0%
Evening35355.2%33.7%1.1%

Which weekday was most reliable for BDL to SJU?

Among qualifying BDL-to-SJU weekday results, Friday had the highest on-time rate: 69.1% of 139 flights. Monday was lowest at 56.4% across 140 flights.

DayFlightsOn time30+ minCancelled
Monday14056.4%30.0%3.6%
Tuesday12763.0%18.9%0.8%
Wednesday12662.7%23.8%0.0%
Thursday14362.2%27.3%0.7%
Friday13969.1%22.3%0.7%
Saturday14261.3%28.2%3.5%
Sunday14456.9%29.9%3.5%

Which airline was most reliable for BDL to SJU?

Among qualifying BDL-to-SJU airline results, JetBlue Airways had the highest on-time rate: 62.7% of 727 flights. Frontier Airlines was lowest at 58.1% across 234 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways72762.7%24.9%1.7%
Frontier Airlines23458.1%29.1%2.6%

Which month was most reliable for BDL to SJU?

Among qualifying BDL-to-SJU month results, May 2026 had the highest on-time rate: 73.1% of 93 flights. February 2026 was lowest at 42.5% across 73 flights.

MonthFlightsOn time30+ minCancelled
July 20258864.8%19.3%2.3%
August 20259162.6%20.9%0.0%
September 20255464.8%35.2%0.0%
October 20255350.9%32.1%0.0%
November 20256471.9%26.6%0.0%
December 20259766.0%21.6%2.1%
January 20268653.5%29.1%9.3%
February 20267342.5%42.5%5.5%
March 20268262.2%20.7%0.0%
April 20269056.7%31.1%1.1%
May 20269373.1%17.2%1.1%
June 20269065.6%24.4%0.0%

What drove BDL to SJU delay minutes?

Late aircraft was the largest recorded BDL-to-SJU delay category, accounting for 44.0% of 32,124 BTS-attributed delay minutes during July 2025–June 2026.

Airline38.4%
Late aircraft44.0%
National airspace16.8%
Weather0.8%
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.