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DelayAtlas

Carrier route record

OOPHXOKC

SkyWest Airlines · Phoenix to Oklahoma City

Flights
843
Period
July 2025 to June 2026
Share of route
45%
Carriers
4
B+GRADE

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

SkyWest on PHX to OKC lands a B+, about a point worse than the national rate of 77.6%. About one flight in four arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That is a workable record, not a spotless one. That rests on 843 flights, with a median arrival 7 minutes early.

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

Key figures

On time

76.8%

Arrivals under 15 minutes late, of 838 completed flights

Avg delay

75 min

Across delayed arrivals only, not all flights

Cancelled

0.59%

National rate is 1.81%

Whole route

76.6%

Every carrier on PHX to OKC, 1,860 flights

These figures cover 843 flights between July 2025 and June 2026. Beyond the headline rate, 9.7% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

SkyWest against every carrier on PHX to OKC

SkyWest flew 843 of the 1,860 flights on PHX to OKC, about 45% of it. Its 76.8% on time is about level with the route as a whole at 76.6%. Ranked by on-time rate it is number three of four carriers on the route, where the range runs from Envoy at 100.0% to Southwest at 74.9%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

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 PHX to OKC
AirlineFlightsOn timeAvg delayCancelledGrade
Envoy Airthin sample1100.0%0.00%A+
American Airlinesthin sample13085.7%64 min3.08%A−
SkyWest Airlines (this page)84376.8%75 min0.59%B+
Southwest Airlines88674.9%49 min0.90%C+

Flight by flight

SkyWest flight numbers on PHX to OKC

Departure window

When SkyWest runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 13 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am
  • 8am–11am326 flights82.5%
  • 11am–2pm183 flights75.4%
  • 2pm–5pm42 flights73.2%
  • 5pm–8pm212 flights73.0%
  • 8pm–5am80 flights69.2%

Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.

Book the morning departure. Flights leaving between 8am–11am arrive on time 82.5% of the time, against 69.2% for the overnight window. That is 13 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8am–11am window is the busiest, with 326 flights scheduled in it.

Across the year

SkyWest on PHX to OKC through the year

On-time rate by calendar month76J72F68M83A78M82J73J79A79S79O73N76D
Darker means more delays. Figures are on-time percentages.April best, March worst

April is the best month on the calendar at 82.7% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. July was the busiest month here, with 91 flights.

Across the week, Wednesday is the strongest day at 84.3% on time and Sunday the weakest at 67.5%. 17 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week74.6Mon75.9Tue84.3Wed77.8Thu76.3Fri82.6Sat67.5Sun
Monday: 74.6 percent on time. Tuesday: 75.9 percent on time. Wednesday: 84.3 percent on time. Thursday: 77.8 percent on time. Friday: 76.3 percent on time. Saturday: 82.6 percent on time. Sunday: 67.5 percent on time

Delay causes

Why SkyWest runs late on this route

One category carries most of the weight here. Carrier accounts for 51% of the 14,000 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
    51%
  • Late-arriving aircraft
    36%
  • Extreme weather
    8%
  • National Airspace System
    5%
  • Security
    0%

36% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 14,000 reported delay minutes here, that single category outweighs weather by 4 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 14,489 reported delay minutes.

The largest share of delay minutes, 51%, 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 7,413 of the 14,000 delay minutes reported here.

Cancellations are rare at 0.59%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.7% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The 833 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 runs 75.1% on time across 843 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

One caution: this is a thin sample. 843 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 PHX to OKC

Put together: treat all of this as provisional. 843 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 76.8% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 838 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.