Flight number record

OO 5839

SkyWest Airlines · Bakersfield to Denver

Route: BFL → DEN
Departs: 05:05
Flights: 323
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5839, 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 5839 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 15 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 323 flights, with a median arrival 12 minutes early.

Set against the rest of the country, OO 5839's record is 15 points better than the US average of 77.6%. That gap is worth roughly 149 fewer late arrivals for every thousand flights.

On time

92.5%

Arrivals under 15 minutes late, of 321 completed flights

Avg delay

126 min

Across delayed arrivals only, not all flights

Cancelled

0.31%

National rate is 1.81%

1 hour+ late

5.0%

National rate is 8.1%

These figures cover 323 flights between July 2025 and June 2026. The median arrival is 12 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 5839 flies

OO 5839 flies BFL to DEN without a single fixed slot. Its most common scheduled departure was 05:05, used on 145 of 323 flights, with 05:10 (104 flights) and 05:15 (53 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 05:05145 flights44.9%
Departs 05:10104 flights32.2%
Departs 05:1553 flights16.4%

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 05:05 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and OO 5839 runs 3 points better at 92.5%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

OO 5839 next to BFL to DEN

Every carrier on BFL to DEN combined arrived on time 86.2% of the time across 729 flights, so OO 5839 is 6 points ahead of it. SkyWest flew 689 flights on the same city pair under all its flight numbers, including this one, and those ran 86.1% on time. Across its whole network SkyWest Airlines managed 79.0%, which this flight beats by 14 points.

OO 5839 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 5839thin sample	323	92.5%	126 min	0.31%	A+
All SkyWest Airlines on BFL–DEN	689	86.1%	80 min	0.29%	A+
All carriers on BFL–DEN	729	86.2%	83 min	0.27%	A+
SkyWest Airlines, whole network	852,935	79.0%	88 min	1.77%	B

Across the year

OO 5839 quarter by quarter

Quarter by quarter OO 5839 held fairly steady: 95.7% in Jul–Sep 2025, 94.5% in Oct–Dec 2025, 87.5% in Jan–Mar 2026 and 92.0% in Apr–Jun 2026. A spread of 8 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

Jul–Sep 202592 flights95.7%
Oct–Dec 202592 flights94.5%
Jan–Mar 202689 flights87.5%
Apr–Jun 202650 flights92.0%

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

By weekday, OO 5839 did best on Friday at 100.0% on time and worst on Saturday at 84.4%. Each day rests on about 46 flights, so a gap of 16 points is worth noticing but could still narrow in another year.

Delay causes

Why OO 5839 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 3,017 reported delay minutes.

Carrier
38%
Extreme weather
30%
Late-arriving aircraft
27%
National Airspace System
6%

Extreme weather accounts for 30% 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 4.8 times the usual weather exposure. The split is drawn from 3,017 delay minutes reported on OO 5839.

Cancellations are rare at 0.31%, below the national 1.81% 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

5.0% 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 845 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. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The same number turns up on one other city pair in the data, including ORD to GRB (17), but none flew often enough under OO 5839 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to BFL to DEN only.

One caution: this is a thin sample. 323 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 5839

For a booking, OO 5839 has one of the better records a US domestic flight can show: 92.5% on time and 0.31% 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