Flight number record

OO 5742

SkyWest Airlines · Rapid City to Denver

Route: RAP → DEN
Departs: 12:38
Flights: 308
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5742, 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 5742 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 14 points better than the national rate of 77.6%. When something does go wrong the average delay runs about 2.1 hours. That rests on 308 flights, with a median arrival 20 minutes early.

Set against the rest of the country, OO 5742's record is 14 points better than the US average of 77.6%. That gap is worth roughly 135 fewer late arrivals for every thousand flights.

On time

91.1%

Arrivals under 15 minutes late, of 304 completed flights

Avg delay

128 min

Across delayed arrivals only, not all flights

Cancelled

0.97%

National rate is 1.81%

1 hour+ late

5.3%

National rate is 8.1%

These figures cover 308 flights between July 2025 and June 2026. The median arrival is 20 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 5742 flies

OO 5742 flies RAP to DEN without a single fixed slot. Its most common scheduled departure was 12:38, used on 49 of 308 flights, with 12:35 (42 flights) and 12:43 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 12:3849 flights15.9%
Departs 12:3542 flights13.6%
Departs 12:4337 flights12.0%

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 12:38 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.8%, and OO 5742 runs 12 points better at 91.1%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

OO 5742 next to RAP to DEN

Every carrier on RAP to DEN combined arrived on time 79.0% of the time across 2,887 flights, so OO 5742 is 12 points ahead of it. SkyWest flew 2,126 flights on the same city pair under all its flight numbers, including this one, and those ran 77.8% on time. Across its whole network SkyWest Airlines managed 79.0%, which this flight beats by 12 points.

OO 5742 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 5742thin sample	308	91.1%	128 min	0.97%	A+
All SkyWest Airlines on RAP–DEN	2,126	77.8%	85 min	1.51%	B
All carriers on RAP–DEN	2,887	79.0%	80 min	1.35%	B
SkyWest Airlines, whole network	852,935	79.0%	88 min	1.77%	B

Across the year

OO 5742 quarter by quarter

Quarter by quarter OO 5742 held fairly steady: 92.4% in Jul–Sep 2025, 89.0% in Oct–Dec 2025, 96.7% in Jan–Mar 2026 and 86.9% in Apr–Jun 2026. A spread of 10 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

Jul–Sep 202592 flights92.4%
Oct–Dec 202591 flights89.0%
Jan–Mar 202663 flights96.7%
Apr–Jun 202662 flights86.9%

Scale runs 80% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, OO 5742 did best on Monday at 100.0% on time and worst on Friday at 83.7%. Each day rests on about 44 flights, so a gap of 16 points is worth noticing but could still narrow in another year.

Delay causes

Why OO 5742 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 46% of the 3,454 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
46%
Carrier
44%
Extreme weather
6%
National Airspace System
5%

46% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 3,454 reported delay minutes here, that single category outweighs weather by 8 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 3,454 delay minutes reported on OO 5742.

Cancellations sit at 0.97% against a national 1.81%, which is ordinary. Diversions add another 0.32%.

Connections and routes

What a delay on this flight costs

5.3% 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 2.1 hours, which a normal layover absorbs.

The same number turns up on two other city pairs in the data, including PIA to ORD (14) and ORD to MEM (9), but none flew often enough under OO 5742 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to RAP to DEN only.

One caution: this is a thin sample. 308 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 5742

For a booking, OO 5742 has one of the better records a US domestic flight can show: 91.1% on time and 0.97% cancelled. That is a base rate, not a promise about any single day.

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