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Airport · FLG · Flagstaff, Arizona

Flagstaff, AZ

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Flagstaff, AZ (FLG) ranks #199 of 382 tracked US airports by total flights (most flights = #1). Flagstaff, AZ posts top-quartile on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.

Data updated 2026-06-13

85.8%
On-time
Top 25%
on-time, US airports
104 min
Delay when late
1.25%
Cancelled
#199 of 382
Corpus placement
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FLG on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%85.8%

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 179,670.

Late Aircraft 26.5% (47,547 min)
Carrier 55.4% (99,575 min)
NAS (National Aviation System) 6.0% (10,754 min)
Weather 11.9% (21,362 min)
Security 0.2% (432 min)

FLG - seasonal on-time pattern

Best: September (95.1%) · worst: October (91.9%)

91%92%93%94%95%96% JanFebMarAprMayJunJulAugSepOctNovDec 92.7%

FLG - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96%98% 202020212022202320242025 96.2% 90.9% ▼ -5.5%

FLG - taxi-out and taxi-in (monthly)

Average taxi-out 20.5 min · taxi-in 4.8 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

15 min20 min25 min30 min Jan 24Dec 25 24.7 min 21.6 min ▼ -12.6%

FLG's average taxi-out (20.5 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is March 2025 at 24.7 min; the lightest is June 2024 at 17.2 min.

Cancellation & Diversion Analysis

Flight disruption statistics for Flagstaff, AZ.

Cancellation Rate

1.25%

280 of 22,330 flights

Diversion Rate

0.10%

22 of 22,330 flights

Delay Rate

14.2%

3,161 of 22,330 flights

Top Routes from FLG

Busiest routes to and from Flagstaff, AZ.

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Route Flights On-Time Distance
PHX (Phoenix) → FLG (Flagstaff) 7,316 86.9% 119 mi
FLG (Flagstaff) → PHX (Phoenix) 7,313 86.4% 119 mi
DFW (Dallas/Fort Worth) → FLG (Flagstaff) 3,100 80.9% 853 mi
FLG (Flagstaff) → DFW (Dallas/Fort Worth) 3,043 81.8% 853 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Flagstaff, AZ, both outside Arizona so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 85.8%).

Salt Lake City, UT

Salt Lake City, UT

85.8% on-time 1,319,985 flights

Bellingham, WA

Bellingham, WA

85.8% on-time 29,229 flights

Rochester, MN

Rochester, MN

85.8% on-time 20,848 flights

Redding, CA

Redding, CA

85.8% on-time 16,709 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 22,330).

Fayetteville, NC

Fayetteville, NC

22,542 flights 86.9% on-time

Monroe, LA

Monroe, LA

22,635 flights 87.2% on-time

Abilene, TX

Abilene, TX

21,805 flights 85.2% on-time

Sun Valley/Hailey/Ketchum, ID

Sun Valley/Hailey/Ketchum, ID

22,928 flights 88.6% on-time

Other Airports in Arizona

Compare performance with other Arizona airports.

PHX 81.7%

Phoenix, AZ

Phoenix · 2,030,209 flights
TUS 83.8%

Tucson, AZ

Tucson · 200,641 flights
AZA 78.7%

Phoenix, AZ

Phoenix · 70,097 flights
YUM 86.8%

Yuma, AZ

Yuma · 20,032 flights
PRC 82.5%

Prescott, AZ

Prescott · 9,056 flights

FLG delay-share reading

The standout signal at Flagstaff, AZ is the delay mix: Carrier owns 55.4% of 179,670 delay minutes across 22,330 BTS flights. The on-time headline is 85.8% (6.8 pts above the 79% national average), with 3,161 delayed and 280 cancelled (1.25%).

Delay minutes concentrate in Carrier (26.5% late-aircraft, 55.4% carrier, 6.0% NAS, 11.9% weather, 0.2% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.

On the multi-year calendar, FLG is strongest in September (95.1% on-time) and weakest in October (91.9%), a 3.2-point swing. Volume peaks in October (~391 flights/month). The busiest connecting route is to PHX (Phoenix) at 86.9% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Arizona: Arizona flight data.

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using FLG's data

FLG's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.

  • Check the busiest route from FLG before you book a connection. See top routes
  • Travel in September rather than October if your dates are flexible. Seasonal patterns
  • Build extra connection buffer when taxi-out spikes. March 2025 averaged 24.7 min. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.