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

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

63.5% of 2,183 official scheduled BOS-to-PBI flights arrived on time; 22.6% arrived at least 30 minutes late and 3.0% 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
63.5%arrived on time
22.6%30+ min late
3.0%cancelled
2,183scheduled 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 late5.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+17.5 mincompleted flights

Which departure time was most reliable for BOS to PBI?

Among qualifying BOS-to-PBI departure window results, Early morning had the highest on-time rate: 77.9% of 583 flights. Evening was lowest at 55.8% across 405 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning58377.9%10.5%3.8%
Late morning29461.9%22.8%3.4%
Afternoon89458.4%26.8%2.3%
Evening40555.8%30.1%3.2%

Which weekday was most reliable for BOS to PBI?

Among qualifying BOS-to-PBI weekday results, Wednesday had the highest on-time rate: 73.3% of 292 flights. Sunday was lowest at 52.6% across 329 flights.

DayFlightsOn time30+ minCancelled
Monday32060.6%23.4%6.6%
Tuesday29970.6%16.4%3.3%
Wednesday29273.3%13.7%0.7%
Thursday31660.8%26.9%1.3%
Friday32463.6%22.2%2.5%
Saturday30364.7%23.1%3.0%
Sunday32952.6%31.3%3.6%

Which airline was most reliable for BOS to PBI?

Among qualifying BOS-to-PBI airline results, Delta Air Lines had the highest on-time rate: 68.5% of 591 flights. JetBlue Airways was lowest at 61.7% across 1,583 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways1,58361.7%23.6%3.3%
Delta Air Lines59168.5%19.6%2.4%
American Airlines955.6%44.4%0.0%

Which month was most reliable for BOS to PBI?

Among qualifying BOS-to-PBI month results, May 2026 had the highest on-time rate: 77.7% of 179 flights. February 2026 was lowest at 49.8% across 227 flights.

MonthFlightsOn time30+ minCancelled
July 202515362.1%24.8%5.9%
August 202511461.4%25.4%2.6%
September 20259376.3%16.1%0.0%
October 202515368.6%22.2%2.0%
November 202519569.2%19.0%2.1%
December 202524052.5%29.2%1.7%
January 202621950.2%29.2%7.3%
February 202622749.8%27.8%8.4%
March 202624865.3%25.0%2.8%
April 202623671.2%15.7%0.0%
May 202617977.7%12.3%0.6%
June 202612673.0%18.3%0.0%

What drove BOS to PBI delay minutes?

Late aircraft was the largest recorded BOS-to-PBI delay category, accounting for 39.4% of 51,853 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.0%
Late aircraft39.4%
National airspace28.4%
Weather4.0%
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.