Flight number record

OO 5029

SkyWest Airlines · Johnstown to Chicago

Route: JST → ORD
Departs: 14:23
Flights: 362
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5029, 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 5029 draws a C−. About one flight in three arrives at least 15 minutes late, and the typical late arrival is about 2.8 hours behind schedule. Build slack into anything you connect to. That rests on 362 flights, with a median arrival 2 minutes early.

The national on-time rate over the same period is 77.6%, so OO 5029 runs 10 points behind the country as a whole. Across a thousand flights that is about 100 extra late arrivals.

On time

67.6%

Arrivals under 15 minutes late, of 339 completed flights

Avg delay

167 min

Across delayed arrivals only, not all flights

Cancelled

5.80%

National rate is 1.81%

1 hour+ late

21.8%

National rate is 8.1%

These figures cover 362 flights between July 2025 and June 2026. Beyond the headline rate, 21.8% 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 5029 flies

OO 5029 flies JST to ORD without a single fixed slot. Its most common scheduled departure was 14:23, used on 104 of 362 flights, with 14:28 (86 flights) and 14:15 (45 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 14:23104 flights28.7%
Departs 14:2886 flights23.8%
Departs 14:1545 flights12.4%

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 14:23 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 72.4%, and OO 5029 runs 5 points worse at 67.6%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

OO 5029 next to JST to ORD

Across its whole network SkyWest Airlines managed 79.0%, which this flight trails by 11 points.

OO 5029 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 5029thin sample	362	67.6%	167 min	5.80%	C−
All SkyWest Airlines on JST–ORDthin sample	362	67.6%	167 min	5.80%	C−
All carriers on JST–ORDthin sample	362	67.6%	167 min	5.80%	C−
SkyWest Airlines, whole network	852,935	79.0%	88 min	1.77%	B

Across the year

OO 5029 quarter by quarter

OO 5029 did not run the same all year. Its best quarter was Jul–Sep 2025 at 74.7% on time and its weakest Jan–Mar 2026 at 58.8%, a swing of 16 points on roughly 91 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 flights74.7%
Oct–Dec 202589 flights69.5%
Jan–Mar 202690 flights58.8%
Apr–Jun 202691 flights66.3%

Scale runs 50% to 80%. Rows with fewer than 30 flights show a dash.

By weekday, OO 5029 did best on Saturday at 75.0% on time and worst on Thursday at 60.0%. Each day rests on about 52 flights, so a gap of 15 points is worth noticing but could still narrow in another year.

Delay causes

Why OO 5029 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 51% of the 18,000 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.

Late-arriving aircraft
51%
National Airspace System
22%
Extreme weather
14%
Carrier
13%

Extreme weather accounts for 14% 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 2.2 times the usual weather exposure. The split is drawn from 18,376 delay minutes reported on OO 5029.

Cancellations run at 5.80%, against 1.81% nationally. That is roughly one flight in fifteen 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. 21.8% 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 same number turns up on four other city pairs in the data, including ORD to DEC (17), ORD to PLN (6) and ORD to CMX (3), but none flew often enough under OO 5029 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to JST to ORD only.

One caution: this is a thin sample. 362 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 5029

For a booking, the cancellation rate is the figure to plan around on OO 5029: 5.80% of its 362 scheduled flights did not operate. A late arrival costs about 2.8 hours, but a cancellation costs the day, so leave a later option open.

Where to go next

A flight number here means SkyWest Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.

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.

Key figures