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

West Palm Beach/Palm Beach, FL (PBI) to Boston, MA (BOS) flight delay odds

63.9% of 2,181 official scheduled PBI-to-BOS flights arrived on time; 23.8% arrived at least 30 minutes late and 3.3% 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 SIGNALVariable
63.9%arrived on time
23.8%30+ min late
3.3%cancelled
2,181scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late14.5%all scheduled flights
120+ minutes late5.8%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+21.0 mincompleted flights

Which departure time was most reliable for PBI to BOS?

Among qualifying PBI-to-BOS departure window results, Early morning had the highest on-time rate: 92.1% of 365 flights. Evening was lowest at 51.5% across 695 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36592.1%1.9%2.2%
Late morning57572.0%16.9%4.0%
Afternoon52552.4%34.3%3.2%
Evening69551.5%32.8%3.3%

Which weekday was most reliable for PBI to BOS?

Among qualifying PBI-to-BOS weekday results, Saturday had the highest on-time rate: 71.0% of 297 flights. Sunday was lowest at 54.9% across 335 flights.

DayFlightsOn time30+ minCancelled
Monday32159.5%24.3%6.5%
Tuesday29966.9%21.4%3.0%
Wednesday29069.7%20.7%0.3%
Thursday31560.3%26.7%1.6%
Friday32466.7%23.8%1.9%
Saturday29771.0%18.2%3.7%
Sunday33554.9%30.7%5.4%

Which airline was most reliable for PBI to BOS?

Among qualifying PBI-to-BOS airline results, Delta Air Lines had the highest on-time rate: 65.7% of 591 flights. JetBlue Airways was lowest at 63.4% across 1,581 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways1,58163.4%24.2%3.4%
Delta Air Lines59165.7%22.5%2.9%
American Airlines944.4%44.4%0.0%

Which month was most reliable for PBI to BOS?

Among qualifying PBI-to-BOS month results, May 2026 had the highest on-time rate: 76.4% of 178 flights. September 2025 was lowest at 44.6% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 202515362.1%24.8%5.9%
August 202511463.2%24.6%1.8%
September 20259244.6%45.7%0.0%
October 202515260.5%30.3%2.6%
November 202519471.6%20.6%2.1%
December 202524063.8%25.8%1.7%
January 202621963.5%19.6%7.3%
February 202622759.0%21.6%9.3%
March 202624962.2%24.9%3.6%
April 202623760.3%26.2%0.0%
May 202617876.4%13.5%0.6%
June 202612675.4%19.0%0.8%

What drove PBI to BOS delay minutes?

Late aircraft was the largest recorded PBI-to-BOS delay category, accounting for 48.4% of 58,079 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.5%
Late aircraft48.4%
National airspace25.9%
Weather1.0%
Security0.2%
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.