Flight number record

OO 5030

SkyWest Airlines · Denver to Butte

Route: DEN → BTM
Departs: 20:20
Flights: 339
Period: September 2025 to August 2026

Historical statistics for September 2025 to August 2026, not live status. For today’s OO 5030, 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 5030 sits in the middle of the pack with a C+. About seven flights in ten arrive on time by the DOT's definition, 4 points worse than the national rate of 77.3%. The late ones land close to two hours behind schedule. That rests on 339 flights, with a median arrival 5 minutes early.

The national on-time rate over the same period is 77.3%, so OO 5030 runs 4 points behind the country as a whole. Across a thousand flights that is about 44 extra late arrivals.

On time

72.9%

Arrivals under 15 minutes late, of 336 completed flights

Avg delay

122 min

Across delayed arrivals only, not all flights

Cancelled

0.59%

National rate is 1.89%

1 hour+ late

11.9%

National rate is 8.3%

These figures cover 339 flights between September 2025 and August 2026. Beyond the headline rate, 11.9% of arrivals land a full hour or more behind schedule, against 8.3% nationally.

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Schedule

When OO 5030 flies

OO 5030 flies DEN to BTM without a single fixed slot. Its most common scheduled departure was 20:20, used on 163 of 339 flights, with 20:29 (82 flights) and 20:35 (37 flights) next.

Departs 20:20163 flights48.1%
Departs 20:2982 flights24.2%
Departs 20:3537 flights10.9%

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 20:20 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.1%, and OO 5030 runs 3 points better at 72.9%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.

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Against the route

OO 5030 next to DEN to BTM

Every carrier on DEN to BTM combined arrived on time 73.8% of the time across 365 flights, so OO 5030 is about level with it. Across its whole network SkyWest Airlines managed 78.7%, which this flight trails by 6 points.

OO 5030 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 5030thin sample	339	72.9%	122 min	0.59%	C+
All SkyWest Airlines on DEN–BTM	365	73.8%	119 min	0.55%	C+
All carriers on DEN–BTM	365	73.8%	119 min	0.55%	C+
SkyWest Airlines, whole network	855,406	78.7%	88 min	1.79%	B

Across the year

OO 5030 quarter by quarter

OO 5030 did not run the same all year. Its best quarter was Oct–Dec 2025 at 84.4% on time and its weakest Apr–Jun 2026 at 58.2%, a swing of 26 points on roughly 85 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 202590 flights84.4%
Jan–Mar 202690 flights80.9%
Apr–Jun 202691 flights58.2%
Jul–Sep 202662 flights63.3%

Scale runs 50% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, OO 5030 did best on Tuesday at 85.4% on time and worst on Sunday at 65.3%. Each day rests on about 48 flights, so a gap of 20 points is worth noticing but could still narrow in another year.

Arrival by arrival

How late OO 5030 runs when it is late

OO 5030 often beats the schedule: 88 of 336 completed flights, 26%, arrived 15 minutes or more early. The 91 late arrivals split 22 under half an hour, 29 between 30 and 60 minutes, and 40 an hour or more.

15+ min early88 flights26.2%
Within 15 min157 flights46.7%
15–29 min late22 flights6.5%
30–59 min late29 flights8.6%
1–2 hours late23 flights6.8%
2+ hours late17 flights5.1%

Scale runs 0% to 100%.

Share of 336 completed flights by arrival against schedule.

Time lost at the gate mostly stays lost. Of 86 departures that left 15 minutes late or more, only 5 made it up before arrival. 10 flights left on time and still arrived late.

The worst days

Worst days for OO 5030

The latest arrival of the period was on 11 August 2026, 16 hours 31 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). On three of the five worst days the largest share was filed as a late-arriving aircraft.

The latest arrivals of OO 5030 in the period
Date	Arrived late by	Largest filed cause
11 August 2026	16 hours 31 minutes	Carrier
18 May 2026	16 hours 25 minutes	Carrier
3 May 2026	13 hours 31 minutes	Late-arriving aircraft
29 July 2026	12 hours 43 minutes	Late-arriving aircraft
13 June 2026	11 hours 54 minutes	Late-arriving aircraft

Delay causes

Why OO 5030 runs late

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 11,000 reported delay minutes.

Late-arriving aircraft
40%
Carrier
39%
Extreme weather
13%
National Airspace System
8%

Extreme weather accounts for 13% 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 2.1 times the usual weather exposure. The split is drawn from 11,108 delay minutes reported on OO 5030.

Cancellations are rare at 0.59%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Connections and routes

What a delay on this flight costs

11.9% 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 578 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.

The same number turns up on five other city pairs in the data, including SGU to DEN (31), HYS to DEN (25) and DEN to ATY (24), but none flew often enough under OO 5030 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to DEN to BTM only.

One caution: this is a thin sample. 339 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 5030

For a booking, read OO 5030 as 72.9% on time with 0.59% cancelled over 339 flights. Those are rates from the past twelve months, not a forecast for any particular 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, September 2025 to August 2026. Last updated 22 October 2026; recomputed monthly. How this data is collected.

Key figures