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DelayAtlas

Carrier performance at one airport

OO→OKC

SkyWest Airlines at Will Rogers World

Departures
7,670
Period
September 2025 to August 2026
Routes
10
Rank here
#4 of 10
BGRADE

SkyWest Airlines at Oklahoma City lands a B, 5 points better than the national rate of 77.3%. About one flight in six arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That rests on 7,670 flights, of which Delta Air Lines flew 1,728 at 88.3% on time.

Measured against the airport rather than the country, SkyWest Airlines runs half a point ahead of the 81.5% weighted average across all carriers at OKC. That is the comparison worth making: every operator here works the same runways, the same airspace and the same weather.

Key figures

On time

82.1%

7,529 completed departures

Avg delay

90 min

Across delayed flights only

Cancelled

1.60%

At OKC, this carrier only

Rank here

#4

Of 10 carriers clearing the floor at OKC

These figures cover 7,670 flights between September 2025 and August 2026. The median arrival is 9 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Against the competition

Every carrier at OKC, ranked

The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 88.3% of the time; PSA Airlines manages 70.4%. Sample sizes sit next to every figure, because a two-point gap across 402 flights means less than a ten-point one.

On-time performance of all carriers departing OKC
AirlineFlightsOn timeAvg delayCancelledGrade
Delta Air Lines1,72888.3%96 min2.60%A
Alaska Airlines42488.2%36 min0.24%A+
Envoy Air1,27182.1%66 min2.12%B
SkyWest Airlines (this page)7,67082.1%90 min1.60%B
Southwest Airlines7,27481.2%51 min0.82%B+
American Airlines2,57380.1%112 min2.41%B
Republic Airways95979.5%102 min4.80%B−
United Airlines79876.7%60 min1.13%B
Frontier Airlines58675.3%94 min1.19%B
PSA Airlines40270.4%118 min6.47%C−

PSA Airlines cancels 6.5% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.

Route by route

Where SkyWest Airlines flies from OKC

SkyWest Airlines operates 10 routes out of OKC with enough volume to report. Route records inside one carrier at one airport still spread widely, because a short shuttle and a transcontinental have very different exposure to a late inbound.

SkyWest Airlines routes from OKC
RouteFlightsOn timeAvg delayCancelledGrade
OKC to ORD · Chicago2,34073.8%95 min3.21%C−
OKC to DEN · Denver1,14085.1%81 min1.14%A
OKC to LAX · Los Angeles91187.1%83 min0.99%A+
OKC to IAH · Houston88986.8%82 min1.01%A
OKC to PHX · Phoenix83477.3%97 min0.60%B+
OKC to SLC · Salt Lake City72092.7%89 min0.56%A+
OKC to MSP · Minneapolis37188.0%79 min0.81%A+
OKC to DFW · Dallas-Fort Worththin sample29185.6%84 min1.72%A
OKC to LGA · New Yorkthin sample10986.2%65 min0.00%A+
OKC to CLT · Charlottethin sample6478.1%142 min0.00%B+

Flight by flight

SkyWest Airlines flight numbers from OKC

Departure window

Best time of day for this operation

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 17 points, against 18 points between the best and worst carrier.

  • 5am–8am2,178 flights88.6%
  • 8am–11am1,586 flights85.5%
  • 11am–2pm1,338 flights77.8%
  • 2pm–5pm908 flights80.7%
  • 5pm–8pm1,614 flights74.2%
  • 8pm–5am46 flights91.3%

Scale runs 65% to 95%.

The 8pm–5am window is the strongest at 91.3% on time. The full set of windows spans 17 points.

Across the year

Seasonal pattern

On-time rate by calendar month82J84F80M84A84M81J81J83A86S82O83N78D
Darker means more delays. Figures are on-time percentages.September best, December worst

December is the weak month at 77.9% on time, against 85.8% in September. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. September was the busiest month here, with 716 flights.

Delay causes

What holds this operation up

  • Carrier
    52%
  • National Airspace System
    19%
  • Late-arriving aircraft
    19%
  • Extreme weather
    9%
  • Security
    0%

The largest share of delay minutes, 52%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 64,000 of the 121,000 delay minutes reported here. The split is drawn from 121,459 reported delay minutes.

Cancellations sit at 1.60% against a national 1.89%, which is ordinary. Diversions add another 0.23%.

7.9% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last an hour and a half, which a normal layover absorbs.

The sample behind these figures is 7,670 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.

Put together: avoid the 5pm–8pm departure. It runs 74.2% on time against 91.3% for the 8pm–5am slot, and that 17 points is the largest single thing you control here. Delta Air Lines is the strongest operator if the fares are close. 7,529 completed flights over 12 months sit behind that.

Common questions

SkyWest Airlines at OKC

How often is SkyWest Airlines at OKC delayed?

About one flight in six arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 17.9% of the 7,670 flights in this analysis, against 22.7% nationally. Delayed flights are late by an hour and a half on average.

Which airline is most reliable on SkyWest Airlines at OKC?

Delta Air Lines leads at 88.3% on time across 1,728 flights. PSA Airlines is at the other end on 70.4%, a gap of 18 points. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.

What time of day has the fewest delays on SkyWest Airlines at OKC?

The 8pm–5am departure window is the strongest at 91.3% on time. The 5pm–8pm window is the weakest at 74.2%, 17 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.

How bad are December delays on SkyWest Airlines at OKC?

December is the weakest month at 77.9% on time, compared with 85.8% in September. Across the year that is 8 points between the best and worst months. The seasonal swing is modest enough that it should not decide when you travel.

Related

Where to go next

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