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Airport Reliability

FLG · Flagstaff

Flagstaff, AZ (FLG)

79%
Departures within 15 minutes
19 min
Average departure delay
78%
Arrivals within 15 minutes
1.6%
Departures cancelled

Based on 1,640 departures and 1,639 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from FLG departing between 6–9 AM arrived on time 84% of the time, versus 70% between 6–9 PM.

Skip Monday if you can.

Departures from FLG arrived on time 83% of the time on Saturdays. On Mondays: 74%.

When FLG gets messy

On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM84%(496 flights)
  • 9 AM–12 PM81%(326 flights)
  • 12–3 PM74%(432 flights)
  • 3–6 PM78%(184 flights)
  • 6–9 PM70%(167 flights)
  • 9 PM–12 AM—(1 flights)
On-time by weekday
  • Mon74%(241 flights)
  • Tue82%(211 flights)
  • Wed79%(223 flights)
  • Thu78%(239 flights)
  • Fri81%(231 flights)
  • Sat83%(216 flights)
  • Sun76%(249 flights)
On-time trend by month
72%
May

Jun 76% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%123
July 202579%121
August 202584%105
September 202584%137
October 202580%168
November 202580%150
December 202586%152
January 202678%111
February 202669%99
March 202670%124
April 202684%164
May 202672%156

Airlines departing FLG

Busiest routes from FLG

Based on 1,640 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.