Route · PHX → FLG · 2020–2025 BTS data
Phoenix to Flagstaff
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to FLG (Phoenix to Flagstaff) ranks #1726 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.9%
- On-time
- +7.9 pts
- vs US avg
- 97 min
- Delay when late
- 7,316
- Flights
- #1726 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Jan 2025 95%
Worst Month
Jun 2025 63%
Distance
119 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 121 | 21 | 0 | 0 | OO |
| Nov 2025 | 129 | 28 | 10 | 0 | OO |
| Oct 2025 | 111 | 20 | 0 | 0 | OO |
| Sep 2025 | 109 | 22 | 2 | 0 | OO |
| Aug 2025 | 75 | 19 | 0 | 0 | OO |
| Jul 2025 | 92 | 27 | 1 | 0 | OO |
| Jun 2025 | 93 | 34 | 0 | 0 | OO |
| May 2025 | 123 | 20 | 1 | 1 | OO |
| Apr 2025 | 123 | 19 | 3 | 0 | OO |
| Mar 2025 | 152 | 37 | 6 | 1 | OO |
| Feb 2025 | 101 | 14 | 0 | 0 | OO |
| Jan 2025 | 82 | 4 | 0 | 0 | OO |
| Dec 2024 | 126 | 11 | 1 | 0 | OO |
| Nov 2024 | 135 | 25 | 0 | 0 | OO |
| Oct 2024 | 143 | 28 | 0 | 0 | OO |
| Sep 2024 | 107 | 7 | 0 | 1 | OO |
| Aug 2024 | 115 | 16 | 0 | 1 | OO |
| Jul 2024 | 119 | 6 | 0 | 1 | OO |
| Jun 2024 | 116 | 11 | 0 | 0 | OO |
| May 2024 | 124 | 15 | 0 | 0 | OO |
| Apr 2024 | 113 | 10 | 0 | 0 | OO |
| Mar 2024 | 103 | 9 | 1 | 2 | OO |
| Feb 2024 | 96 | 11 | 1 | 0 | OO |
| Jan 2024 | 79 | 10 | 0 | 0 | OO |
PHX–FLG seasonal on-time pattern
Best: January (90.8%) · weakest: June (81.3%)
Strongest calendar month
January
90.8% on-time · ~89 flights/mo
Busiest calendar month
March
~121 flights/mo avg
Weakest calendar month
June
81.3% on-time · ~101 flights/mo
Cancellation Rate
1.0%
26 of 2,687 flights
Diversion Rate
0.3%
7 of 2,687 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileFLG - Flagstaff
Full on-time, delay-cause, and seasonal performance for Flagstaff, AZ.
FLG on-time profileCompare the two airports
See PHX and FLG side by side on delays, cancellations, and reliability.
Compare PHX vs FLGOrigin-hub reliability standing
Among PHX's stronger departures
PHX → FLG posts a 86.9% on-time rate, landing in the ≥85% band with 25 of 97 BTS-tracked routes leaving Phoenix. The same hub also shows 71 mid-band and 1 challenged departures · fleet-wide on-time rank #657 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHX–FLG.
Routes with a similar on-time rate
What the Data Says About PHX to FLG
Phoenix to Flagstaff (PHX to FLG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.9% on-time rate across 7,316 flights, with delays that do happen averaging 96.5 minutes. The corridor runs roughly 119 miles and is served by 3 carriers. Over the most recent 24 months, 26 of 2,687 flights were cancelled (1.0%) and 7 diverted (0.3%).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 95% on-time, while Jun 2025 came in at just 63% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, PHX–FLG peaks in January at 90.8% on-time while March carries the heaviest traffic (~121 flights per month) ; the softest month is June at 81.3%, a 9.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PHX to FLG rank among US routes by traffic? ▼
How often are flights delayed from PHX to FLG? ▼
What is the cancellation rate for PHX to FLG? ▼
How far is the flight from PHX to FLG? ▼
When is the best time to fly from PHX to FLG? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PHX–FLG data
PHX–FLG runs 7.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare PHX and FLG airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
- If your dates flex, January (90.8% on-time) beats June (81.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.