PlainFlights

Route · MIA → PHX · 2020–2025 BTS data

Miami to Phoenix

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to PHX (Miami to Phoenix) ranks #1486 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.1%
On-time
-1.9 pts
vs US avg
79 min
Delay when late
8,253
Flights
#1486 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Nov 2024 89%

Worst Month

May 2024 58%

Distance

1,972 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 160 39 0 0 AA
Nov 2025 143 33 2 0 AA
Oct 2025 148 23 0 2 AA
Sep 2025 100 23 0 2 AA
Aug 2025 129 48 1 1 AA
Jul 2025 154 50 1 1 AA
Jun 2025 150 32 0 1 AA
May 2025 159 43 0 0 AA
Apr 2025 178 28 1 0 AA
Mar 2025 184 38 1 0 AA
Feb 2025 152 21 0 0 AA
Jan 2025 161 30 0 0 AA
Dec 2024 167 30 0 0 AA
Nov 2024 157 17 0 0 AA
Oct 2024 150 17 2 0 AA
Sep 2024 124 17 1 0 AA
Aug 2024 128 47 5 0 AA
Jul 2024 152 54 2 3 AA
Jun 2024 123 42 4 0 AA
May 2024 156 65 1 0 AA
Apr 2024 150 27 1 2 AA
Mar 2024 157 60 3 0 AA
Feb 2024 147 46 0 0 AA
Jan 2024 155 64 0 0 AA

MIA–PHX seasonal on-time pattern

Best: October (84.1%) · weakest: July (68.8%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 78.7%

Strongest calendar month

October

84.1% on-time · ~119 flights/mo

Busiest calendar month

December

~128 flights/mo avg

Weakest calendar month

July

68.8% on-time · ~118 flights/mo

Cancellation Rate

0.7%

25 of 3,584 flights

Diversion Rate

0.3%

12 of 3,584 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

MIA - Miami

Full on-time, delay-cause, and seasonal performance for Miami, FL.

MIA on-time profile

PHX - Phoenix

Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.

PHX on-time profile

Compare the two airports

See MIA and PHX side by side on delays, cancellations, and reliability.

Compare MIA vs PHX

Origin-hub reliability standing

Mid-pack among MIA departures

From MIA, this corridor sits with 37 other 75–85% on-time routes out of 63 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 25 below 75%). Destination: Phoenix · fleet on-time rank #4071 of 4927.

What the Data Says About MIA to PHX

The Miami to Phoenix corridor (MIA to PHX) posts a 77.1% on-time rate on the lower edge of the average band, based on 8,253 tracked flights. Late flights run 78.8 minutes behind on average. 1 carrier cover the 1,972-mile route; over the last 24 months, 25 of 3,584 flights were cancelled (0.7%) and 0.3% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 89% on-time, while May 2024 came in at just 58% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, MIA–PHX peaks in October at 84.1% on-time while December carries the heaviest traffic (~128 flights per month) ; the softest month is July at 68.8%, a 15.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MIA to PHX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MIA to PHX ranks #1486 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 MIA to PHX? ▼
Flights from Miami to Phoenix have a 77.1% on-time rate based on 8,253 flights. The average delay is 78.8 minutes. The best recent month was Nov 2024 with 89% on-time.
What is the cancellation rate for MIA to PHX? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (25 of 3,584 flights) and 0.3% were diverted.
How far is the flight from MIA to PHX? ▼
The flight distance from Miami (MIA) to Phoenix (PHX) is approximately 1,972 miles. This route is served by 1 carrier.
When is the best time to fly from MIA to PHX? ▼
The best recent month for on-time performance was Nov 2024 (89% on-time). The worst was May 2024 (58% on-time). Consider booking during months with historically better performance.

Airports on this route

MIA Airport

Miami
PHX Airport

Phoenix
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 MIA–PHX data

MIA–PHX is mid-pack at 77.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare MIA and PHX airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
  • If your dates flex, October (84.1% on-time) beats July (68.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.1% 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.