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Route · MRY → PHX · 2020–2025 BTS data

Monterey to Phoenix

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MRY to PHX (Monterey to Phoenix) ranks #1871 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.1%
On-time
+6.1 pts
vs US avg
98 min
Delay when late
6,744
Flights
#1871 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Jan 2024 91%

Worst Month

Oct 2025 75%

Distance

598 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 132 18 2 0 AA,MQ,OO
Nov 2025 130 27 5 0 OO,MQ,AA
Oct 2025 102 26 0 0 AA,OO,MQ
Sep 2025 91 13 2 1 MQ,OO,AA
Aug 2025 105 18 1 1 AA,OO,MQ
Jul 2025 122 26 1 0 OO,MQ
Jun 2025 116 27 1 0 AA,OO,MQ
May 2025 99 25 0 0 AA,OO,MQ
Apr 2025 142 13 0 0 MQ,OO
Mar 2025 149 21 1 1 OO,MQ
Feb 2025 120 18 1 0 AA,OO,MQ
Jan 2025 118 11 1 0 AA,OO,MQ
Dec 2024 136 23 2 0 AA,MQ,OO
Nov 2024 133 19 0 0 OO,MQ,AA
Oct 2024 143 15 0 0 MQ,OO,AA
Sep 2024 107 13 0 0 OO,AA,MQ
Aug 2024 114 19 0 0 AA,MQ,OO
Jul 2024 124 31 2 2 AA,MQ,OO
Jun 2024 120 20 0 1 AA,MQ,OO
May 2024 125 24 0 0 MQ,OO
Apr 2024 117 15 0 0 AA,MQ,OO
Mar 2024 95 9 0 0 AA,OO
Feb 2024 87 9 1 0 AA,MQ,OO
Jan 2024 90 8 1 0 AA,MQ,OO

MRY–PHX seasonal on-time pattern

Best: September (90.1%) · weakest: June (80.6%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 80.9%

Strongest calendar month

September

90.1% on-time · ~85 flights/mo

Busiest calendar month

March

~105 flights/mo avg

Weakest calendar month

June

80.6% on-time · ~100 flights/mo

Cancellation Rate

0.7%

21 of 2,817 flights

Diversion Rate

0.2%

6 of 2,817 flights

Origin-hub reliability standing

Among MRY's stronger departures

MRY → PHX posts a 85.1% on-time rate, landing in the ≥85% band with 4 of 7 BTS-tracked routes leaving Monterey. The same hub also shows 3 mid-band and 0 challenged departures · fleet-wide on-time rank #1186 of 4927 (highest on-time = #1).

What the Data Says About MRY to PHX

Monterey to Phoenix (MRY to PHX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.1% on-time rate across 6,744 flights, with delays that do happen averaging 97.9 minutes. The corridor runs roughly 598 miles and is served by 16 carriers. Over the most recent 24 months, 21 of 2,817 flights were cancelled (0.7%) and 6 diverted (0.2%).

The monthly split is wide on this route: Jan 2024 posted the strongest performance at 91% on-time, while Oct 2025 came in at just 75% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, MRY–PHX peaks in September at 90.1% on-time while March carries the heaviest traffic (~105 flights per month) ; the softest month is June at 80.6%, 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 MRY to PHX rank among US routes by traffic?
According to PlainFlights' route traffic ranking, MRY to PHX ranks #1871 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from MRY to PHX?
Flights from Monterey to Phoenix have a 85.1% on-time rate based on 6,744 flights. The average delay is 97.9 minutes. The best recent month was Jan 2024 with 91% on-time.
What is the cancellation rate for MRY to PHX?
Over the last 24 months, 0.7% of flights on this route were cancelled (21 of 2,817 flights) and 0.2% were diverted.
How far is the flight from MRY to PHX?
The flight distance from Monterey (MRY) to Phoenix (PHX) is approximately 598 miles. This route is served by 16 carriers.
When is the best time to fly from MRY to PHX?
The best recent month for on-time performance was Jan 2024 (91% on-time). The worst was Oct 2025 (75% on-time). Consider booking during months with historically better performance.

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.

Using MRY–PHX data

MRY–PHX runs 6.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MRY and PHX airport profiles: delay causes and top routes differ even on the same corridor. MRY airport
  • If your dates flex, September (90.1% on-time) beats June (80.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.1% 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.

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

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.