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DelayAtlas

Flight number record

OO 5364

SkyWest Airlines · Oklahoma City to Chicago

Route
OKC → ORD
Departs
07:30
Flights
320
Period
July 2025 to June 2026
BGRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5364, check with SkyWest Airlines. SkyWest Airlines flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.

OO 5364 earns a B. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 6 points better than the national rate of 77.6%. When something does go wrong the average delay runs close to two hours. That rests on 320 flights, with a median arrival 5 minutes early.

Set against the rest of the country, OO 5364's record is 6 points better than the US average of 77.6%. That gap is worth roughly 64 fewer late arrivals for every thousand flights.

Key figures

On time

84.0%

Arrivals under 15 minutes late, of 312 completed flights

Avg delay

104 min

Across delayed arrivals only, not all flights

Cancelled

2.50%

National rate is 1.81%

1 hour+ late

9.0%

National rate is 8.1%

These figures cover 320 flights between July 2025 and June 2026. Beyond the headline rate, 9.0% 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.

Schedule

When OO 5364 flies

OO 5364 flies OKC to ORD without a single fixed slot. Its most common scheduled departure was 07:30, used on 87 of 320 flights, with 07:25 (59 flights) and 07:35 (49 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 07:3087 flights27.2%
  • Departs 07:2559 flights18.4%
  • Departs 07:3549 flights15.3%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 07:30 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and OO 5364 runs 5 points worse at 84.0%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

OO 5364 next to OKC to ORD

Every carrier on OKC to ORD combined arrived on time 75.1% of the time across 2,594 flights, so OO 5364 is 9 points ahead of it. SkyWest flew 2,353 flights on the same city pair under all its flight numbers, including this one, and those ran 73.8% on time. Across its whole network SkyWest Airlines managed 79.0%, which this flight beats by 5 points.

OO 5364 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
OO 5364thin sample32084.0%104 min2.50%B
All SkyWest Airlines on OKC–ORD2,35373.8%94 min2.89%C
All carriers on OKC–ORD2,59475.1%93 min2.78%B
SkyWest Airlines, whole network852,93579.0%88 min1.77%B

Across the year

OO 5364 quarter by quarter

OO 5364 did not run the same all year. Its best quarter was Apr–Jun 2026 at 93.2% on time and its weakest Jul–Sep 2025 at 71.1%, a swing of 22 points on roughly 80 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

  • Jul–Sep 202592 flights71.1%
  • Oct–Dec 202592 flights87.9%
  • Jan–Mar 202645 flights83.7%
  • Apr–Jun 202691 flights93.2%

Scale runs 65% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, OO 5364 did best on Thursday at 93.2% on time and worst on Sunday at 75.0%. Each day rests on about 46 flights, so a gap of 18 points is worth noticing but could still narrow in another year.

On-time rate by day of the week82.6Mon88.9Tue84.4Wed93.2Thu80.0Fri83.7Sat75.0Sun
Monday: 82.6 percent on time. Tuesday: 88.9 percent on time. Wednesday: 84.4 percent on time. Thursday: 93.2 percent on time. Friday: 80.0 percent on time. Saturday: 83.7 percent on time. Sunday: 75.0 percent on time

Delay causes

Why OO 5364 runs late

One category carries most of the weight here. Carrier accounts for 55% of the 5,189 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
    55%
  • National Airspace System
    25%
  • Extreme weather
    13%
  • Late-arriving aircraft
    7%

Extreme weather accounts for 13% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the quarterly figures above are the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.0 times the usual weather exposure. The split is drawn from 5,189 delay minutes reported on OO 5364.

Cancellations run at 2.50%, against 1.81% nationally. That is about one flight in 40 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.

Connections and routes

What a delay on this flight costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.0% 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 693 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 same number turns up on two other city pairs in the data, including CHA to ORD (14) and CID to ORD (6), but none flew often enough under OO 5364 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to OKC to ORD only.

One caution: this is a thin sample. 320 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 OO 5364

For a booking, the cancellation rate is the figure to plan around on OO 5364: 2.50% of its 320 scheduled flights did not operate. A late arrival costs close to two hours, but a cancellation costs the day, so leave a later option open.

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.