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Airport Operational Performance · BOS

Boston On-Time Performance

Historical arrival and departure reliability for Boston, MA (BOS), covering 44 reported months.

Latest data: Jun 2026Source: DOT Air Travel Consumer ReportFlightline Intel Beta
Latest arrival OTP
74.4%
+4.2 points year over year
Latest departure OTP
77.0%
+3.0 points year over year
National arrival rank
#151
of 351 airports · +1.6 pts vs. national avg
12-month average
71.4%
Arrival OTP · departures 74.7%

Historical On-Time Performance

Monthly arrival and departure performance, with trailing 12-month averages.

Seasonal Arrival Pattern

Average arrival OTP by calendar month across the loaded history.

Historical Records

MeasureResult
Best monthNov 2023 · 85.3%
Weakest monthJul 2023 · 59.8%
Longest improvement streak3 month-to-month gains
Longest decline streak6 month-to-month declines
Latest reported operations25,373

Latest 12 Months

Newest month appears first.

MonthArr.Dep.ArrivalsDepartures
Jun 202674.4%77.0%12,69012,683
May 202679.2%81.5%12,70212,694
Apr 202675.5%79.5%12,62812,626
Mar 202671.2%74.2%12,29412,299
Feb 202669.1%69.9%10,23310,232
Jan 202671.3%72.3%10,29610,298
Dec 202571.7%71.7%11,24311,248
Nov 202575.4%77.6%11,38811,385
Oct 202563.4%70.7%12,63712,647
Sep 202562.7%72.9%11,59611,597
Aug 202577.7%79.3%12,45712,461
Jul 202564.8%69.2%12,91712,912
Flightline Intel readout: Boston recorded 74.4 percent on-time arrivals and 77.0 percent on-time departures in Jun 2026. Its trailing 12-month arrival average stands at 71.4 percent. The strongest month in the current record was Nov 2023 at 85.3 percent, while the weakest was Jul 2023 at 59.8 percent.