Flight number record

OO 5022

SkyWest Airlines · Washington to Johnstown

Route: IAD → JST
Departs: 12:45
Flights: 252
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5022, 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 5022 sits in the middle of the pack with a C−. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.6%. The late ones land about 2.9 hours behind schedule. That rests on 252 flights, with a median arrival 5 minutes early.

On time

74.6%

Arrivals under 15 minutes late, of 236 completed flights

Avg delay

172 min

Across delayed arrivals only, not all flights

Cancelled

4.76%

National rate is 1.81%

1 hour+ late

16.5%

National rate is 8.1%

These figures cover 252 flights between July 2025 and June 2026. Beyond the headline rate, 16.5% 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 5022 flies

OO 5022 flies IAD to JST without a single fixed slot. Its most common scheduled departure was 12:45, used on 97 of 252 flights, with 12:40 (76 flights) and 12:48 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 12:4597 flights38.5%
Departs 12:4076 flights30.2%
Departs 12:4837 flights14.7%

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 12:45 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.8%, and OO 5022 runs 4 points worse at 74.6%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

OO 5022 next to IAD to JST

Every carrier on IAD to JST combined arrived on time 75.8% of the time across 338 flights, so OO 5022 is about level with it. Across its whole network SkyWest Airlines managed 79.0%, which this flight trails by 4 points.

OO 5022 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 5022thin sample	252	74.6%	172 min	4.76%	C−
All SkyWest Airlines on IAD–JSTthin sample	338	75.8%	166 min	3.55%	B−
All carriers on IAD–JSTthin sample	338	75.8%	166 min	3.55%	B−
SkyWest Airlines, whole network	852,935	79.0%	88 min	1.77%	B

Across the year

OO 5022 quarter by quarter

OO 5022 did not run the same all year. Its best quarter was Apr–Jun 2026 at 81.0% on time and its weakest Oct–Dec 2025 at 70.5%, a swing of 11 points on roughly 84 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 20256 flights—
Oct–Dec 202592 flights70.5%
Jan–Mar 202689 flights73.4%
Apr–Jun 202665 flights81.0%

Scale runs 60% to 85%. Rows with fewer than 30 flights show a dash.

By weekday, OO 5022 did best on Sunday at 81.1% on time and worst on Wednesday at 67.6%. Each day rests on about 36 flights, so a gap of 14 points is worth noticing but could still narrow in another year.

Delay causes

Why OO 5022 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 43% of the 10,000 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
43%
Extreme weather
34%
Carrier
19%
National Airspace System
4%

Extreme weather accounts for 34% 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 5.5 times the usual weather exposure. The split is drawn from 10,311 delay minutes reported on OO 5022.

Cancellations run at 4.76%, against 1.81% nationally. That is about one flight in twenty 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. 16.5% 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 six other city pairs in the data, including SGU to DEN (37), DEN to DDC (36) and DDC to DEN (31), but none flew often enough under OO 5022 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to IAD to JST only.

One caution: this is a thin sample. 252 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 5022

For a booking, the cancellation rate is the figure to plan around on OO 5022: 4.76% of its 252 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.

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