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

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

69.4% of 961 official scheduled SJU-to-BDL flights arrived on time; 18.4% 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
69.4%arrived on time
18.4%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 late9.9%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+14.2 mincompleted flights

Which departure time was most reliable for SJU to BDL?

Among qualifying SJU-to-BDL departure window results, Night had the highest on-time rate: 76.0% of 50 flights. Afternoon was lowest at 60.9% across 302 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning43275.0%12.5%2.5%
Afternoon30260.9%27.8%1.3%
Evening16867.3%19.6%1.8%
Night5076.0%12.0%0.0%

Which weekday was most reliable for SJU to BDL?

Among qualifying SJU-to-BDL weekday results, Wednesday had the highest on-time rate: 76.8% of 125 flights. Saturday was lowest at 65.5% across 142 flights.

DayFlightsOn time30+ minCancelled
Monday14167.4%22.0%5.0%
Tuesday12970.5%16.3%0.8%
Wednesday12576.8%10.4%0.0%
Thursday14069.3%20.0%0.7%
Friday13970.5%12.2%0.7%
Saturday14265.5%22.5%3.5%
Sunday14566.9%24.1%2.1%

Which airline was most reliable for SJU to BDL?

Among qualifying SJU-to-BDL airline results, Frontier Airlines had the highest on-time rate: 74.5% of 235 flights. JetBlue Airways was lowest at 67.8% across 726 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways72667.8%19.8%1.9%
Frontier Airlines23574.5%14.0%1.7%

Which month was most reliable for SJU to BDL?

Among qualifying SJU-to-BDL month results, May 2026 had the highest on-time rate: 87.1% of 93 flights. October 2025 was lowest at 50.9% across 53 flights.

MonthFlightsOn time30+ minCancelled
July 20258865.9%26.1%2.3%
August 20259164.8%20.9%0.0%
September 20255461.1%20.4%0.0%
October 20255350.9%32.1%0.0%
November 20256473.4%21.9%0.0%
December 20259676.0%13.5%3.1%
January 20268661.6%20.9%9.3%
February 20267356.2%28.8%5.5%
March 20268369.9%16.9%1.2%
April 20269071.1%15.6%0.0%
May 20269387.1%3.2%0.0%
June 20269081.1%11.1%0.0%

What drove SJU to BDL delay minutes?

Airline was the largest recorded SJU-to-BDL delay category, accounting for 40.7% of 20,019 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.7%
Late aircraft36.8%
National airspace21.5%
Weather1.0%
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.