How often are flights delayed at FLG?

19% of departures from Flagstaff Pulliam Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 23 minutes. The national on-time average over the same period was 78%.

What is the best time of day to depart from FLG?

Flights scheduled around 5 a.m. depart on time 92% of the time at FLG, versus 70% around 1 p.m.. Booking before noon is the usual rule of thumb here.

What is the worst month for delays at FLG?

In this dataset, July 2026 was the weakest month at FLG, with 66% of departures on time.

How often are flights cancelled at FLG?

1.8% of scheduled departures from FLG were cancelled in this period, compared with a national rate of 1.6%.

Flagstaff Pulliam Airport (FLG): Delays & On-Time Performance

Data through July 2026

Flagstaff Pulliam Airport (FLG) is a tale of two seasons: departures ran 93% on-time in September 2024 but sank to 66% in July 2026. Across the year it averages 81% against a national 78%, over roughly 4 departures a day to 3 destinations.

Departures on-time: 81%; left <15 min late
Avg dep delay: 23 min
Arrivals on-time: 79%
Cancelled: 1.8%
Destinations: 3; nonstop
Airlines: 2

Plan your departure from FLG

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time: Around 5 a.m.; 92% on-time
Best day to fly: Tuesday; 83% on-time
Nearest alternative: PRC — Prescott; 54 miles away
Cancellation risk: 1.8%; close to the US average

Check routes from FLG ↓Compare nearby airports ↓

Monthly on-time trend

Best time of day to depart from FLG

By day of week

Day	On-time	Avg delay
Monday	78%	26 min
Tuesdaybest	83%	15 min
Wednesday	82%	23 min
Thursday	78%	21 min
Friday	78%	30 min
Saturday	81%	20 min
Sunday	77%	29 min

Next: compare the busiest routes from FLG ↓

Busiest routes from FLG

Route	Flights/12mo	On-time	Avg delay
FLG → PHX (Phoenix)	1,202	82%	20 min
FLG → DFW (Dallas/Fort Worth)	435	73%	35 min

Where flights into FLG come from

Route	Flights/12mo	On-time	Avg delay
PHX (Phoenix) → FLG	1,201	81%	21 min
DFW (Dallas/Fort Worth) → FLG	435	72%	24 min

What causes delays at FLG

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing FLG.

Late-arriving aircraft20%
Airline operations59%
National airspace system8%
Weather12%

Alternative airports near Flagstaff

Other airports within 120 miles, compared on departure reliability.

Airport	Distance	On-time departures	Avg delay
PRC — Prescott Regional Airport - Ernest A. Love Field	54 mi	81%	28 min
PHX — Phoenix Sky Harbor International Airport	119 mi	79%	15 min

Compare the airport-level record first, then check the exact route you plan to book.

Frequently asked questions

How often are flights delayed at FLG?: 19% of departures from Flagstaff Pulliam Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 23 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from FLG?: Flights scheduled around 5 a.m. depart on time 92% of the time at FLG, versus 70% around 1 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at FLG?: In this dataset, July 2026 was the weakest month at FLG, with 66% of departures on time.
How often are flights cancelled at FLG?: 1.8% of scheduled departures from FLG were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 3,678 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.