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DelayAtlas

Carrier route record

OOPDXPSP

SkyWest Airlines · Portland to Palm Springs

Flights
230
Period
July 2025 to June 2026
Share of route
31%
Carriers
2
CGRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with SkyWest Airlines.

SkyWest on PDX to PSP sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.6%. The late ones land roughly 50 minutes behind schedule. That rests on 230 flights, with a median arrival right on schedule.

The US average over the same twelve months is 77.6%, so there is little to separate SkyWest on PDX to PSP from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

Key figures

On time

74.2%

Arrivals under 15 minutes late, of 225 completed flights

Avg delay

49 min

Across delayed arrivals only, not all flights

Cancelled

2.17%

National rate is 1.81%

Whole route

83.8%

Every carrier on PDX to PSP, 738 flights

These figures cover 230 flights between July 2025 and June 2026. On-time means an arrival less than 15 minutes after the scheduled gate time, the same threshold the Department of Transportation uses in its own reports. Cancelled and diverted flights are excluded from the on-time rate and counted separately, which is why the cancellation column matters on its own.

Carrier by carrier

SkyWest against every carrier on PDX to PSP

SkyWest flew 230 of the 738 flights on PDX to PSP, about 31% of it. Its 74.2% on time is 10 points worse than the route as a whole, which runs 83.8%. Ranked by on-time rate it is last of two carriers on the route, where the range runs from Alaska at 88.1% to SkyWest at 74.2%.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on PDX to PSP
AirlineFlightsOn timeAvg delayCancelledGrade
Alaska Airlines50888.1%43 min0.98%A+
SkyWest Airlines (this page)thin sample23074.2%49 min2.17%C

Departure window

When SkyWest runs best on this route

Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 230 flights.

There are not enough flights in each departure window to split SkyWest's PDX to PSP record by time of day without the percentages moving on noise. The headline rate of 74.2% is the reliable figure here.

Across the year

SkyWest on PDX to PSP through the year

  • Jul–Sep 202592 flights72.5%
  • Oct–Dec 202558 flights75.9%
  • Jan–Mar 202610 flights
  • Apr–Jun 202670 flights75.7%

Scale runs 65% to 80%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 74.2% on time across 230 flights.

Quarter by quarter SkyWest on PDX to PSP held fairly steady: 72.5% in Jul–Sep 2025, 75.9% in Oct–Dec 2025 and 75.7% in Apr–Jun 2026. A spread of 3 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

Across the week, Friday is the strongest day at 79.4% on time and Sunday the weakest at 64.5%. 15 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week78.8Mon78.1Tue73.3Wed69.7Thu79.4Fri75.0Sat64.5Sun
Monday: 78.8 percent on time. Tuesday: 78.1 percent on time. Wednesday: 73.3 percent on time. Thursday: 69.7 percent on time. Friday: 79.4 percent on time. Saturday: 75.0 percent on time. Sunday: 64.5 percent on time

Delay causes

Why SkyWest runs late on this route

One category carries most of the weight here. Carrier accounts for 43% of the 2,816 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

  • Carrier
    43%
  • Late-arriving aircraft
    34%
  • National Airspace System
    23%

The largest share of delay minutes, 43%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 1,217 of the 2,816 delay minutes reported here. The split is drawn from 2,816 reported delay minutes.

Cancellations sit at 2.17% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and stage length

What a delay here costs

5.8% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last roughly 50 minutes, which a normal layover absorbs.

The 873 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The return leg is a different operation and performs like one: it runs 96.0% on time across 229 flights, 22 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 22 points of difference.

One caution: this is a thin sample. 230 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking SkyWest on PDX to PSP

Put together: treat all of this as provisional. 230 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 74.2% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 225 completed flights over 12 months sit behind that.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.