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

Jacksonville, FL (JAX) to Boston, MA (BOS) flight delay odds

72.7% of 1,609 official scheduled JAX-to-BOS flights arrived on time; 18.5% arrived at least 30 minutes late and 2.3% 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 SIGNALGenerally reliable
72.7%arrived on time
18.5%30+ min late
2.3%cancelled
1,609scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.3%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.9 mincompleted flights

Which departure time was most reliable for JAX to BOS?

Among qualifying JAX-to-BOS departure window results, Early morning had the highest on-time rate: 88.5% of 400 flights. Evening was lowest at 62.5% across 464 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning40088.5%5.0%2.0%
Late morning29279.8%13.0%2.1%
Afternoon43464.7%26.0%1.8%
Evening46462.5%25.9%2.8%

Which weekday was most reliable for JAX to BOS?

Among qualifying JAX-to-BOS weekday results, Saturday had the highest on-time rate: 84.2% of 196 flights. Monday was lowest at 65.7% across 245 flights.

DayFlightsOn time30+ minCancelled
Monday24565.7%22.0%5.3%
Tuesday23077.4%17.0%1.7%
Wednesday22276.6%15.8%0.9%
Thursday23569.8%18.3%1.7%
Friday23671.2%21.6%0.8%
Saturday19684.2%10.2%1.0%
Sunday24566.5%22.4%4.1%

Which airline was most reliable for JAX to BOS?

Among qualifying JAX-to-BOS airline results, Delta Air Lines had the highest on-time rate: 82.1% of 56 flights. JetBlue Airways was lowest at 66.6% across 658 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways89576.5%14.9%1.7%
JetBlue Airways65866.6%23.9%3.0%
Delta Air Lines5682.1%12.5%3.6%

Which month was most reliable for JAX to BOS?

Among qualifying JAX-to-BOS month results, May 2026 had the highest on-time rate: 88.2% of 161 flights. September 2025 was lowest at 52.8% across 125 flights.

MonthFlightsOn time30+ minCancelled
July 202514662.3%22.6%5.5%
August 202513482.1%11.9%1.5%
September 202512552.8%37.6%1.6%
October 202514456.9%33.3%2.1%
November 202512472.6%18.5%1.6%
December 202514374.1%16.1%2.1%
January 20269670.8%19.8%5.2%
February 202610166.3%16.8%8.9%
March 202614473.6%16.7%1.4%
April 202615083.3%8.7%0.0%
May 202616188.2%8.7%0.0%
June 202614182.3%14.2%0.7%

What drove JAX to BOS delay minutes?

Late aircraft was the largest recorded JAX-to-BOS delay category, accounting for 35.7% of 31,878 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.3%
Late aircraft35.7%
National airspace32.0%
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.