Flight number record
OO 5641
SkyWest Airlines · Denver to Bentonville
- Route
- DEN → XNA
- Departs
- 13:30
- Flights
- 326
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s OO 5641, 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 5641 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 12 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 326 flights, with a median arrival 8 minutes early.
Set against the rest of the country, OO 5641's record is 12 points better than the US average of 77.3%. That gap is worth roughly 116 fewer late arrivals for every thousand flights.
Key figures
On time
88.9%
Arrivals under 15 minutes late, of 325 completed flights
Avg delay
63 min
Across delayed arrivals only, not all flights
Cancelled
0.31%
National rate is 1.89%
1 hour+ late
4.3%
National rate is 8.3%
These figures cover 326 flights between September 2025 and August 2026. The median arrival is 8 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.
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Schedule
When OO 5641 flies
OO 5641 flies DEN to XNA without a single fixed slot. Its most common scheduled departure was 13:30, used on 149 of 326 flights, with 13:25 (124 flights) next.
- Departs 13:30149 flights45.7%
- Departs 13:25124 flights38.0%
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 13:30 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and OO 5641 runs 11 points better at 88.9%. 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 5641 next to DEN to XNA
Every carrier on DEN to XNA combined arrived on time 82.0% of the time across 1,346 flights, so OO 5641 is 7 points ahead of it. SkyWest flew 826 flights on the same city pair under all its flight numbers, including this one, and those ran 84.5% on time. Across its whole network SkyWest Airlines managed 78.7%, which this flight beats by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 5641thin sample | 326 | 88.9% | 63 min | 0.31% | A+ |
| All SkyWest Airlines on DEN–XNA | 826 | 84.5% | 61 min | 0.73% | B+ |
| All carriers on DEN–XNA | 1,346 | 82.0% | 65 min | 0.52% | B+ |
| SkyWest Airlines, whole network | 855,406 | 78.7% | 88 min | 1.79% | B |
Across the year
OO 5641 quarter by quarter
OO 5641 did not run the same all year. Its best quarter was Jul–Sep 2025 at 96.7% on time and its weakest Jan–Mar 2026 at 75.0%, a swing of 22 points on roughly 65 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 flights96.7%
- Oct–Dec 202590 flights88.9%
- Jan–Mar 202653 flights75.0%
- Apr–Jun 202691 flights91.2%
- Jul–Sep 202662 flights93.5%
Scale runs 65% to 100%.
By weekday, OO 5641 ranged from 85.1% on Sunday to 93.5% on Thursday. With about 47 flights behind each day, a spread of 8 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late OO 5641 runs when it is late
OO 5641 often beats the schedule: 95 of 325 completed flights, 29%, arrived 15 minutes or more early. The 36 late arrivals split 13 under half an hour, 9 between 30 and 60 minutes, and 14 an hour or more.
- 15+ min early95 flights29.2%
- Within 15 min194 flights59.7%
- 15–29 min late13 flights4.0%
- 30–59 min late9 flights2.8%
- 1–2 hours late9 flights2.8%
- 2+ hours late5 flights1.5%
Scale runs 0% to 100%.
Share of 325 completed flights by arrival against schedule.
10 of 36 late departures made up the time and arrived on time, 28% of them. 10 flights left on time and still arrived late.
The worst days
Worst days for OO 5641
The latest arrival of the period was on 6 March 2026, 6 hours 17 minutes behind schedule; most of its delay minutes were filed as national airspace system delay. The five worst days are spread across March, November, December and July, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 6 March 2026 | 6 hours 17 minutes | National Airspace System |
| 30 November 2025 | 2 hours 43 minutes | Late-arriving aircraft |
| 4 December 2025 | 2 hours 23 minutes | Carrier |
| 17 July 2026 | 2 hours 12 minutes | Late-arriving aircraft |
| 18 March 2026 | 2 hours 6 minutes | Extreme weather |
Delay causes
Why OO 5641 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 2,252 reported delay minutes.
- 34%Carrier
- 29%Late-arriving aircraft
- 28%National Airspace System
- 8%Extreme weather
The largest share of delay minutes, 34%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 776 of the 2,252 delay minutes reported here. The split is drawn from 2,252 delay minutes reported on OO 5641.
Cancellations are rare at 0.31%, 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
Badly late arrivals are rare here: only 4.3% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The 616 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 one other city pair in the data, including JAC to SFO (4), but none flew often enough under OO 5641 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to DEN to XNA only.
One caution: this is a thin sample. 326 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 5641
For a booking, OO 5641 has one of the better records a US domestic flight can show: 88.9% on time and 0.31% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- DEN to XNA, every carrier and departure
- XNA to DEN, the return direction
- SkyWest Airlines 5267 on the same route85.7%
- Denver International (DEN) 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
- Worst months to fly in the US, ranked by the data
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.