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WanderNerd

Airport Reliability

MSO · Missoula

Missoula Montana Airport

86%
Departures within 15 minutes
10 min
Average departure delay
83%
Arrivals within 15 minutes
0.9%
Departures cancelled

Based on 6,054 departures and 6,056 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from MSO departing between 3–6 AM arrived on time 93% of the time, versus 60% between 9 PM–12 AM.

Friday is doing you no favors.

Departures from MSO arrived on time 86% of the time on Saturdays. On Fridays: 79%.

When MSO gets messy

On-time by departure window
  • 3–6 AM93%(741 flights)
  • 6–9 AM91%(1277 flights)
  • 9 AM–12 PM87%(172 flights)
  • 12–3 PM81%(2099 flights)
  • 3–6 PM76%(1079 flights)
  • 6–9 PM83%(552 flights)
  • 9 PM–12 AM60%(50 flights)
On-time by weekday
  • Mon83%(916 flights)
  • Tue86%(816 flights)
  • Wed85%(789 flights)
  • Thu85%(854 flights)
  • Fri79%(894 flights)
  • Sat86%(829 flights)
  • Sun84%(872 flights)
On-time trend by month
87%
May

Jun 81% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%652
July 202580%720
August 202580%681
September 202587%478
October 202586%492
November 202589%397
December 202580%439
January 202687%419
February 202688%370
March 202682%413
April 202688%403
May 202687%506

Airlines departing MSO

Based on 6,054 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.