PlainFlights

Route · PHX → SLC · 2020–2025 BTS data

Phoenix to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to SLC (Phoenix to Salt Lake City) ranks #118 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.5%
On-time
+5.5 pts
vs US avg
65 min
Delay when late
30,355
Flights
#118 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Oct 2024 90%

Worst Month

Jul 2024 80%

Distance

507 mi

Carriers

38

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 515 82 3 2 DL,WN,F9,AA,MQ,OO
Nov 2025 477 81 8 0 OO,DL,F9,MQ,AA,WN
Oct 2025 476 81 0 0 AA,OO,WN,DL,F9,MQ
Sep 2025 413 55 2 0 MQ,WN,OO,DL,F9,AA
Aug 2025 429 64 1 0 AA,OO,WN,F9,MQ,DL
Jul 2025 431 82 6 0 AA,DL,OO,WN,F9,MQ
Jun 2025 427 79 4 0 AA,DL,OO,WN,F9,MQ
May 2025 496 69 0 0 AA,DL,OO,WN,F9,MQ
Apr 2025 510 78 0 0 DL,F9,MQ,OO,WN,AA
Mar 2025 595 116 0 0 AA,DL,OO,WN,F9,MQ
Feb 2025 471 55 0 0 AA,DL,OO,WN,F9,MQ
Jan 2025 489 60 0 0 AA,DL,OO,WN,F9,MQ
Dec 2024 542 99 0 0 AA,DL,F9,MQ,OO,WN
Nov 2024 500 54 1 0 OO,WN,DL,MQ,F9,AA
Oct 2024 488 51 0 0 OO,WN,DL,F9,AA
Sep 2024 465 56 0 1 WN,OO,AA,DL,F9
Aug 2024 480 75 2 2 DL,F9,MQ,WN,OO
Jul 2024 444 89 10 0 DL,F9,MQ,OO,WN
Jun 2024 441 77 0 0 AA,DL,F9,OO,WN
May 2024 530 75 1 0 AA,DL,F9,MQ,OO,WN
Apr 2024 504 62 2 0 AA,DL,F9,MQ,OO,WN
Mar 2024 512 90 1 2 AA,DL,F9,OO,WN
Feb 2024 461 56 0 0 AA,DL,F9,OO,WN
Jan 2024 503 81 0 1 AA,DL,F9,MQ,WN,OO

PHX–SLC seasonal on-time pattern

Best: November (87.9%) · weakest: July (78.7%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 83.1%

Strongest calendar month

November

87.9% on-time · ~442 flights/mo

Busiest calendar month

March

~472 flights/mo avg

Weakest calendar month

July

78.7% on-time · ~399 flights/mo

Cancellation Rate

0.4%

41 of 11,599 flights

Diversion Rate

0.1%

8 of 11,599 flights

Origin-hub reliability standing

Mid-pack among PHX departures

From PHX, this corridor sits with 71 other 75–85% on-time routes out of 97 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Salt Lake City · fleet on-time rank #1412 of 4927.

What the Data Says About PHX to SLC

Bureau of Transportation Statistics records show Phoenix to Salt Lake City (PHX to SLC) running a 84.5% on-time rate over 30,355 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 65.0 minutes. The 507-mile corridor is served by 38 carriers, and over the last 24 months 0.4% of 11,599 flights were cancelled, 0.1% diverted.

Monthly performance varies moderately here: Oct 2024 was the strongest month at 90% on-time versus Jul 2024 at 80%, a 10-point difference.

On the multi-year calendar, PHX–SLC peaks in November at 87.9% on-time while March carries the heaviest traffic (~472 flights per month) ; the softest month is July at 78.7%, a 9.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHX to SLC rank among US routes by traffic?
According to PlainFlights' route traffic ranking, PHX to SLC ranks #118 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 PHX to SLC?
Flights from Phoenix to Salt Lake City have a 84.5% on-time rate based on 30,355 flights. The average delay is 65.0 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for PHX to SLC?
Over the last 24 months, 0.4% of flights on this route were cancelled (41 of 11,599 flights) and 0.1% were diverted.
How far is the flight from PHX to SLC?
The flight distance from Phoenix (PHX) to Salt Lake City (SLC) is approximately 507 miles. This route is served by 38 carriers.
When is the best time to fly from PHX to SLC?
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Jul 2024 (80% 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 PHX–SLC data

PHX–SLC runs 5.5 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 SLC airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
  • If your dates flex, November (87.9% on-time) beats July (78.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.5% 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.