Historical on-time performance

PHXSLC

Phoenix to Salt Lake City

507 miData through Dec 2025Source: US DOT · BTS

Flights on PHX–SLC arrive on time 83% of the time over the last 12 months.

On-time rate83%arrived within 15 min

Median delayon timetypical arrival

p90 delay25 min1 in 10 flights is worsetail risk

Cancelled0.4%of scheduled flights

based on 5,517 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Airline	On-time	Median	p90	Cancel	Flights
Delta Air Linesbest	89%	on time	15 min	0.3%	1,730
SkyWest Airlines	84%	on time	25 min	0.2%	971
Envoy Air⚠ low data	80%	on time	35 min	0.0%	69
American Airlines	86%	on time	25 min	0.3%	296
Frontier Airlines	84%	on time	30 min	1.5%	603
Southwest Airlines	78%	on time	35 min	0.4%	1,848

Delta Air Linesbest
On-time89%
Medianon time
p9015 min
Cancel0.3%
Flights1,730
SkyWest Airlines
On-time84%
Medianon time
p9025 min
Cancel0.2%
Flights971
Envoy Air
On-time80%
Medianon time
p9035 min
Cancel0.0%
Flights69
American Airlines
On-time86%
Medianon time
p9025 min
Cancel0.3%
Flights296
Frontier Airlines
On-time84%
Medianon time
p9030 min
Cancel1.5%
Flights603
Southwest Airlines
On-time78%
Medianon time
p9035 min
Cancel0.4%
Flights1,848

Why flights run late

Delay causes

Airline42%
Weather2%
Air traffic (NAS)5%
Late aircraft51%
Security0%

Most delay minutes here are attributed to Late aircraft.

Over time

On-time trend

By season

On-time rate by month

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Related pages

Delay predictorfor this route→PHX airportPhoenix→SLC airportSalt Lake City→Delta Air Lines on this routecarrier detail→Delta Air Linesairline profile→