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

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

73.3% of 1,606 official scheduled BOS-to-JAX flights arrived on time; 16.9% arrived at least 30 minutes late and 2.6% 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
73.3%arrived on time
16.9%30+ min late
2.6%cancelled
1,606scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.2%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.0 mincompleted flights

Which departure time was most reliable for BOS to JAX?

Among qualifying BOS-to-JAX departure window results, Late morning had the highest on-time rate: 85.1% of 168 flights. Evening was lowest at 63.7% across 369 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning55482.1%9.6%2.3%
Late morning16885.1%8.3%1.8%
Afternoon51567.0%22.1%2.3%
Evening36963.7%24.7%3.5%

Which weekday was most reliable for BOS to JAX?

Among qualifying BOS-to-JAX weekday results, Saturday had the highest on-time rate: 79.1% of 196 flights. Sunday was lowest at 67.5% across 243 flights.

DayFlightsOn time30+ minCancelled
Monday24670.7%17.9%6.5%
Tuesday23077.4%13.5%2.6%
Wednesday22177.4%14.9%2.7%
Thursday23569.4%17.4%1.7%
Friday23573.6%18.3%0.4%
Saturday19679.1%14.8%1.0%
Sunday24367.5%21.0%2.5%

Which airline was most reliable for BOS to JAX?

Among qualifying BOS-to-JAX airline results, Delta Air Lines had the highest on-time rate: 80.4% of 56 flights. Republic Airways was lowest at 72.8% across 892 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways89272.8%17.2%2.2%
JetBlue Airways65873.6%17.0%2.7%
Delta Air Lines5680.4%12.5%5.4%

Which month was most reliable for BOS to JAX?

Among qualifying BOS-to-JAX month results, May 2026 had the highest on-time rate: 82.5% of 160 flights. January 2026 was lowest at 63.5% across 96 flights.

MonthFlightsOn time30+ minCancelled
July 202514663.7%25.3%6.2%
August 202513479.1%11.9%2.2%
September 202512575.2%16.8%2.4%
October 202514470.1%17.4%2.8%
November 202512475.0%17.7%0.0%
December 202514366.4%19.6%1.4%
January 20269663.5%22.9%6.2%
February 202610164.4%17.8%9.9%
March 202614472.2%17.4%2.1%
April 202614880.4%12.8%0.0%
May 202616082.5%13.1%0.0%
June 202614181.6%12.8%0.7%

What drove BOS to JAX delay minutes?

Late aircraft was the largest recorded BOS-to-JAX delay category, accounting for 41.2% of 25,178 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.7%
Late aircraft41.2%
National airspace26.0%
Weather2.0%
Security0.1%
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.