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DelayAtlas

Flight number record

OO 4809

SkyWest Airlines · Chicago to Wichita

Route
ORD → ICT
Departs
08:55
Flights
358
Period
July 2025 to June 2026
B+GRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 4809, 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 4809 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 about an hour on average. That is a workable record, not a spotless one. That rests on 358 flights, with a median arrival 5 minutes early.

Key figures

On time

76.3%

Arrivals under 15 minutes late, of 358 completed flights

Avg delay

64 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.81%

1 hour+ late

7.3%

National rate is 8.1%

These figures cover 358 flights between July 2025 and June 2026. The median arrival is 5 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.

Schedule

When OO 4809 flies

OO 4809 flies ORD to ICT without a single fixed slot. Its most common scheduled departure was 08:55, used on 85 of 358 flights, with 08:50 (58 flights) and 08:52 (55 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 08:5585 flights23.7%
  • Departs 08:5058 flights16.2%
  • Departs 08:5255 flights15.4%

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 08:55 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 84.1%, and OO 4809 runs 8 points worse at 76.3%. 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 4809 next to ORD to ICT

Every carrier on ORD to ICT combined arrived on time 65.7% of the time across 2,221 flights, so OO 4809 is 11 points ahead of it. SkyWest flew 1,369 flights on the same city pair under all its flight numbers, including this one, and those ran 66.7% on time. Across its whole network SkyWest Airlines managed 79.0%, which this flight trails by 3 points.

OO 4809 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
OO 4809thin sample35876.3%64 min0.00%B+
All SkyWest Airlines on ORD–ICT1,36966.7%78 min2.48%C
All carriers on ORD–ICT2,22165.7%78 min2.61%C
SkyWest Airlines, whole network852,93579.0%88 min1.77%B

Across the year

OO 4809 quarter by quarter

OO 4809 did not run the same all year. Its best quarter was Jul–Sep 2025 at 86.8% on time and its weakest Oct–Dec 2025 at 69.2%, a swing of 18 points on roughly 90 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 202591 flights86.8%
  • Oct–Dec 202591 flights69.2%
  • Jan–Mar 202686 flights74.4%
  • Apr–Jun 202690 flights74.4%

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

By weekday, OO 4809 did best on Thursday at 83.7% on time and worst on Saturday at 67.3%. Each day rests on about 51 flights, so a gap of 16 points is worth noticing but could still narrow in another year.

On-time rate by day of the week78.8Mon78.8Tue82.0Wed83.7Thu69.2Fri67.3Sat74.5Sun
Monday: 78.8 percent on time. Tuesday: 78.8 percent on time. Wednesday: 82.0 percent on time. Thursday: 83.7 percent on time. Friday: 69.2 percent on time. Saturday: 67.3 percent on time. Sunday: 74.5 percent on time

Delay causes

Why OO 4809 runs late

One category carries most of the weight here. Carrier accounts for 58% of the 5,441 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
    58%
  • Extreme weather
    16%
  • Late-arriving aircraft
    13%
  • National Airspace System
    12%

Extreme weather accounts for 16% 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 2.6 times the usual weather exposure. The split is drawn from 5,441 delay minutes reported on OO 4809.

Cancellations are rare at 0.00%, below the national 1.81% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.

Connections and routes

What a delay on this flight costs

7.3% 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 about an hour, which a normal layover absorbs.

The 588 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 XNA to IAH (1) and IAH to HRL (1), but none flew often enough under OO 4809 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to ORD to ICT only.

One caution: this is a thin sample. 358 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 4809

For a booking, read OO 4809 as 76.3% on time with 0.00% cancelled over 358 flights. Those are rates from the past twelve months, not a forecast for any particular day.

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.