Latest arrival OTP
60.3%
-1.2 points year over year
Latest departure OTP
57.1%
+1.7 points year over year
National arrival rank
#343
of 347 airports · -17.3 pts vs. national avg
12-month average
58.4%
Arrival OTP · departures 55.3%

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 monthSep 2024 · 87.0%
Weakest monthDec 2025 · 41.3%
Longest improvement streak3 month-to-month gains
Longest decline streak5 month-to-month declines
Latest reported operations126

Latest 12 Months

Newest month appears first.

MonthArr.Dep.ArrivalsDepartures
May 202660.3%57.1%6363
Apr 202666.1%59.3%5959
Mar 202660.7%52.5%6161
Feb 202657.5%57.5%4040
Jan 202669.2%69.2%5252
Dec 202541.3%33.3%7575
Nov 202561.9%54.0%6363
Oct 202564.8%62.3%5453
Sep 202569.2%71.2%5252
Aug 202557.1%53.1%4949
Jul 202544.3%45.9%6161
Jun 202548.4%48.4%6464
Flightline Intel readout: Concord recorded 60.3 percent on-time arrivals and 57.1 percent on-time departures in May 2026. Its trailing 12-month arrival average stands at 58.4 percent. The strongest month in the current record was Sep 2024 at 87.0 percent, while the weakest was Dec 2025 at 41.3 percent.