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

Pittsburgh, PA (PIT) to Boston, MA (BOS) flight delay odds

77.0% of 2,151 official scheduled PIT-to-BOS flights arrived on time; 14.6% arrived at least 30 minutes late and 2.8% 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
77.0%arrived on time
14.6%30+ min late
2.8%cancelled
2,151scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.1%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.9 mincompleted flights

Which departure time was most reliable for PIT to BOS?

Among qualifying PIT-to-BOS departure window results, Early morning had the highest on-time rate: 89.2% of 593 flights. Evening was lowest at 64.1% across 554 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning59389.2%5.2%2.0%
Late morning56684.6%9.4%1.2%
Afternoon43867.1%23.1%2.1%
Evening55464.1%23.1%6.0%

Which weekday was most reliable for PIT to BOS?

Among qualifying PIT-to-BOS weekday results, Saturday had the highest on-time rate: 85.3% of 238 flights. Thursday was lowest at 73.1% across 327 flights.

DayFlightsOn time30+ minCancelled
Monday34175.7%15.0%5.6%
Tuesday31276.6%15.4%2.2%
Wednesday30278.5%10.9%3.0%
Thursday32773.1%18.3%3.1%
Friday33278.6%13.6%0.9%
Saturday23885.3%10.1%1.7%
Sunday29973.6%17.4%3.0%

Which airline was most reliable for PIT to BOS?

Among qualifying PIT-to-BOS airline results, Republic Airways had the highest on-time rate: 79.6% of 1,144 flights. JetBlue Airways was lowest at 74.1% across 1,007 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways1,14479.6%12.8%2.5%
JetBlue Airways1,00774.1%16.6%3.2%

Which month was most reliable for PIT to BOS?

Among qualifying PIT-to-BOS month results, May 2026 had the highest on-time rate: 90.2% of 204 flights. October 2025 was lowest at 65.3% across 213 flights.

MonthFlightsOn time30+ minCancelled
July 202521568.4%19.1%5.1%
August 202521779.3%13.4%2.3%
September 202519765.5%22.8%3.0%
October 202521365.3%25.8%1.9%
November 202518286.3%11.0%1.6%
December 202516476.2%15.9%0.6%
January 202612577.6%10.4%8.0%
February 202611575.7%9.6%7.8%
March 202614379.0%15.4%0.7%
April 202615587.7%8.4%0.0%
May 202620490.2%4.9%0.0%
June 202622177.4%12.7%5.0%

What drove PIT to BOS delay minutes?

National airspace was the largest recorded PIT-to-BOS delay category, accounting for 39.4% of 31,963 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.3%
Late aircraft34.0%
National airspace39.4%
Weather5.3%
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.