Route · FLG → PHX · 2020–2025 BTS data
Flagstaff to Phoenix
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), FLG to PHX (Flagstaff to Phoenix) ranks #1727 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.4%
- On-time
- +7.4 pts
- vs US avg
- 110 min
- Delay when late
- 7,313
- Flights
- #1727 of 4927
- Corpus placement
Cancelled
0.9%
Best Month
May 2024 96%
Worst Month
Jun 2025 72%
Distance
119 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 121 | 16 | 0 | 0 | OO |
| Nov 2025 | 130 | 26 | 9 | 1 | OO |
| Oct 2025 | 111 | 20 | 0 | 0 | OO |
| Sep 2025 | 109 | 19 | 2 | 0 | OO |
| Aug 2025 | 75 | 14 | 0 | 0 | OO |
| Jul 2025 | 92 | 23 | 1 | 0 | OO |
| Jun 2025 | 93 | 26 | 0 | 0 | OO |
| May 2025 | 122 | 15 | 1 | 0 | OO |
| Apr 2025 | 123 | 26 | 3 | 0 | OO |
| Mar 2025 | 152 | 38 | 6 | 0 | OO |
| Feb 2025 | 101 | 14 | 0 | 0 | OO |
| Jan 2025 | 82 | 8 | 0 | 0 | OO |
| Dec 2024 | 126 | 16 | 1 | 0 | OO |
| Nov 2024 | 135 | 33 | 0 | 0 | OO |
| Oct 2024 | 143 | 28 | 0 | 0 | OO |
| Sep 2024 | 107 | 10 | 0 | 0 | OO |
| Aug 2024 | 115 | 12 | 0 | 0 | OO |
| Jul 2024 | 119 | 13 | 0 | 0 | OO |
| Jun 2024 | 116 | 19 | 0 | 0 | OO |
| May 2024 | 124 | 5 | 0 | 0 | OO |
| Apr 2024 | 113 | 13 | 0 | 0 | OO |
| Mar 2024 | 103 | 21 | 1 | 0 | OO |
| Feb 2024 | 96 | 16 | 1 | 0 | OO |
| Jan 2024 | 79 | 12 | 0 | 0 | OO |
FLG–PHX seasonal on-time pattern
Best: May (91.3%) · weakest: October (82.9%)
Strongest calendar month
May
91.3% on-time · ~115 flights/mo
Busiest calendar month
March
~120 flights/mo avg
Weakest calendar month
October
82.9% on-time · ~117 flights/mo
Cancellation Rate
0.9%
25 of 2,687 flights
Diversion Rate
0.0%
1 of 2,687 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
FLG - Flagstaff
Full on-time, delay-cause, and seasonal performance for Flagstaff, AZ.
FLG on-time profilePHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileCompare the two airports
See FLG and PHX side by side on delays, cancellations, and reliability.
Compare FLG vs PHXOrigin-hub reliability standing
Among FLG's stronger departures
FLG → PHX posts a 86.4% on-time rate, landing in the ≥85% band with 1 of 2 BTS-tracked routes leaving Flagstaff. The same hub also shows 1 mid-band and 0 challenged departures · fleet-wide on-time rank #789 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to FLG–PHX.
Routes with a similar on-time rate
What the Data Says About FLG to PHX
Flagstaff to Phoenix (FLG to PHX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.4% on-time rate across 7,313 flights, with delays that do happen averaging 109.6 minutes. The corridor runs roughly 119 miles and is served by 3 carriers. Over the most recent 24 months, 25 of 2,687 flights were cancelled (0.9%) and 1 diverted (0.0%).
The monthly split is wide on this route: May 2024 posted the strongest performance at 96% on-time, while Jun 2025 came in at just 72% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, FLG–PHX peaks in May at 91.3% on-time while March carries the heaviest traffic (~120 flights per month) ; the softest month is October at 82.9%, a 8.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does FLG to PHX rank among US routes by traffic? ▼
How often are flights delayed from FLG to PHX? ▼
What is the cancellation rate for FLG to PHX? ▼
How far is the flight from FLG to PHX? ▼
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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 FLG–PHX data
FLG–PHX runs 7.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare FLG and PHX airport profiles: delay causes and top routes differ even on the same corridor. FLG airport
- If your dates flex, May (91.3% on-time) beats October (82.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.4% 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.