Flight number record
OO 5029
SkyWest Airlines · Johnstown to Chicago
- Route
- JST → ORD
- Departs
- 14:23
- Flights
- 362
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 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 2.9 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 77.3%, so OO 5029 runs 11 points behind the country as a whole. Across a thousand flights that is about 105 extra late arrivals.
Key figures
On time
66.8%
Arrivals under 15 minutes late, of 337 completed flights
Avg delay
173 min
Across delayed arrivals only, not all flights
Cancelled
6.63%
National rate is 1.89%
1 hour+ late
23.4%
National rate is 8.3%
These figures cover 362 flights between September 2025 and August 2026. Beyond the headline rate, 23.4% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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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 91 of 362 flights, with 14:21 (79 flights) and 14:15 (45 flights) next.
- Departs 14:2391 flights25.1%
- Departs 14:2179 flights21.8%
- Departs 14:1545 flights12.4%
Scale runs 0% to 100%.
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 71.9%, and OO 5029 runs 5 points worse at 66.8%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
OO 5029 next to JST to ORD
Across its whole network SkyWest Airlines managed 78.7%, which this flight trails by 12 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 5029thin sample | 362 | 66.8% | 173 min | 6.63% | C− |
| All SkyWest Airlines on JST–ORDthin sample | 362 | 66.8% | 173 min | 6.63% | C− |
| All carriers on JST–ORDthin sample | 362 | 66.8% | 173 min | 6.63% | C− |
| SkyWest Airlines, whole network | 855,406 | 78.7% | 88 min | 1.79% | 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 86.7% on time and its weakest Jan–Mar 2026 at 58.8%, a swing of 28 points on roughly 72 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 202530 flights86.7%
- Oct–Dec 202589 flights69.5%
- Jan–Mar 202690 flights58.8%
- Apr–Jun 202691 flights66.3%
- Jul–Sep 202662 flights64.4%
Scale runs 50% to 90%.
By weekday, OO 5029 did best on Saturday at 75.0% on time and worst on Monday at 57.1%. Each day rests on about 52 flights, so a gap of 18 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late OO 5029 runs when it is late
OO 5029 often beats the schedule: 93 of 337 completed flights, 28%, arrived 15 minutes or more early. When OO 5029 is late it tends to be very late: 79 of its 112 late arrivals were an hour or more behind, and 51 were two hours or more.
- 15+ min early93 flights27.6%
- Within 15 min132 flights39.2%
- 15–29 min late15 flights4.5%
- 30–59 min late18 flights5.3%
- 1–2 hours late28 flights8.3%
- 2+ hours late51 flights15.1%
Scale runs 0% to 100%.
Share of 337 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 97 departures that left 15 minutes late or more, only 4 made it up before arrival. In the other direction, 19 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at ORD.
The worst days
Worst days for OO 5029
The latest arrival of the period was on 19 November 2025, 22 hours 3 minutes behind schedule; most of its delay minutes were filed as extreme weather. The five worst days are spread across November, April, March, September and June, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 19 November 2025 | 22 hours 3 minutes | Extreme weather |
| 16 April 2026 | 19 hours 28 minutes | National Airspace System |
| 5 March 2026 | 10 hours 37 minutes | Late-arriving aircraft |
| 8 September 2025 | 9 hours 31 minutes | Late-arriving aircraft |
| 20 June 2026 | 8 hours 58 minutes | Carrier |
Delay causes
Why OO 5029 runs late
Late-arriving aircraft accounts for 48% of the 19,000 delay minutes carriers reported here, and the remaining four split what is left.
- 48%Late-arriving aircraft
- 26%National Airspace System
- 14%Extreme weather
- 12%Carrier
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 2.3 times the usual weather exposure. The split is drawn from 19,420 delay minutes reported on OO 5029.
Cancellations run at 6.63%, against 1.89% nationally. That is about 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
23.4% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection 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 PLN (47), ORD to DEC (17) 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: 6.63% of its 362 scheduled flights did not operate. A late arrival costs about 2.9 hours, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- Chicago O'Hare International (ORD) delay statistics
- SkyWest Airlines on-time record
- Every SkyWest Airlines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.