Latest arrival OTP
92.9%
-3.9 points year over year
Latest departure OTP
95.3%
-3.1 points year over year
National arrival rank
#14
of 347 airports · +15.3 pts vs. national avg
12-month average
92.8%
Arrival OTP · departures 95.9%

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 monthJun 2023 · 100.0%
Weakest monthJan 2023 · 81.1%
Longest improvement streak4 month-to-month gains
Longest decline streak4 month-to-month declines
Latest reported operations170

Latest 12 Months

Newest month appears first.

MonthArr.Dep.ArrivalsDepartures
May 202692.9%95.3%8585
Apr 202687.8%93.9%8282
Mar 202698.8%98.8%8686
Feb 202687.5%96.4%5656
Jan 202682.0%90.2%6161
Dec 202589.8%94.9%5959
Nov 202591.2%94.7%5757
Oct 202596.7%96.7%6161
Sep 2025100.0%100.0%6060
Aug 202598.2%100.0%5656
Jul 202590.3%93.5%6262
Jun 202598.3%96.7%6060
Flightline Intel readout: Twin Falls recorded 92.9 percent on-time arrivals and 95.3 percent on-time departures in May 2026. Its trailing 12-month arrival average stands at 92.8 percent. The strongest month in the current record was Jun 2023 at 100.0 percent, while the weakest was Jan 2023 at 81.1 percent.