Flight number record
OO 5490
SkyWest Airlines · Oklahoma City to Denver
- Route
- OKC → DEN
- Departs
- 11:15
- Flights
- 331
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s OO 5490, 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 5490 earns an A+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 8 points better than the national rate of 77.3%. When something does go wrong the average delay runs a little over an hour. That rests on 331 flights, with a median arrival 13 minutes early.
Set against the rest of the country, OO 5490's record is 8 points better than the US average of 77.3%. That gap is worth roughly 78 fewer late arrivals for every thousand flights.
Key figures
On time
85.1%
Arrivals under 15 minutes late, of 328 completed flights
Avg delay
76 min
Across delayed arrivals only, not all flights
Cancelled
0.91%
National rate is 1.89%
1 hour+ late
5.8%
National rate is 8.3%
These figures cover 331 flights between September 2025 and August 2026. The median arrival is 13 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 5490 flies
OO 5490 flies OKC to DEN without a single fixed slot. Its most common scheduled departure was 11:15, used on 127 of 331 flights, with 11:30 (122 flights) and 11:25 (58 flights) next.
- Departs 11:15127 flights38.4%
- Departs 11:30122 flights36.9%
- Departs 11:2558 flights17.5%
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 11:15 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and OO 5490 runs 7 points better at 85.1%. 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 5490 next to OKC to DEN
Every carrier on OKC to DEN combined arrived on time 80.5% of the time across 3,125 flights, so OO 5490 is 5 points ahead of it. SkyWest flew 1,140 flights on the same city pair under all its flight numbers, including this one, and those ran 85.1% on time. Across its whole network SkyWest Airlines managed 78.7%, which this flight beats by 6 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 5490thin sample | 331 | 85.1% | 76 min | 0.91% | A+ |
| All SkyWest Airlines on OKC–DEN | 1,140 | 85.1% | 81 min | 1.14% | A |
| All carriers on OKC–DEN | 3,125 | 80.5% | 63 min | 0.96% | B+ |
| SkyWest Airlines, whole network | 855,406 | 78.7% | 88 min | 1.79% | B |
Across the year
OO 5490 quarter by quarter
OO 5490 did not run the same all year. Its best quarter was Jul–Sep 2025 at 93.3% on time and its weakest Jan–Mar 2026 at 78.4%, a swing of 15 points on roughly 66 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 flights93.3%
- Oct–Dec 202591 flights85.7%
- Jan–Mar 202690 flights78.4%
- Apr–Jun 202685 flights85.7%
- Jul–Sep 202635 flights91.4%
Scale runs 70% to 100%.
By weekday, OO 5490 ranged from 80.0% on Saturday to 89.6% on Sunday. With about 47 flights behind each day, a spread of 10 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late OO 5490 runs when it is late
OO 5490 often beats the schedule: 153 of 328 completed flights, 47%, arrived 15 minutes or more early. The 49 late arrivals split 22 under half an hour, 8 between 30 and 60 minutes, and 19 an hour or more.
- 15+ min early153 flights46.6%
- Within 15 min126 flights38.4%
- 15–29 min late22 flights6.7%
- 30–59 min late8 flights2.4%
- 1–2 hours late10 flights3.0%
- 2+ hours late9 flights2.7%
Scale runs 0% to 100%.
Share of 328 completed flights by arrival against schedule.
6 of 47 late departures made up the time and arrived on time, 13% of them. 8 flights left on time and still arrived late.
The worst days
Worst days for OO 5490
The latest arrival of the period was on 14 March 2026, 8 hours 11 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 14 March 2026 | 8 hours 11 minutes | Carrier |
| 17 February 2026 | 5 hours 8 minutes | National Airspace System |
| 2 April 2026 | 3 hours 56 minutes | Carrier |
| 9 May 2026 | 3 hours 22 minutes | Late-arriving aircraft |
| 10 May 2026 | 3 hours 2 minutes | Carrier |
Delay causes
Why OO 5490 runs late
Carrier accounts for 80% of the 3,718 delay minutes carriers reported here, and the remaining four split what is left.
- 80%Carrier
- 14%National Airspace System
- 6%Late-arriving aircraft
- 0%Extreme weather
The largest share of delay minutes, 80%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 2,957 of the 3,718 delay minutes reported here. The split is drawn from 3,718 delay minutes reported on OO 5490.
Cancellations sit at 0.91% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
5.8% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
The same number turns up on three other city pairs in the data, including DEN to RAP (29), TUS to ORD (21) and PHX to SFO (7), but none flew often enough under OO 5490 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to OKC to DEN only.
One caution: this is a thin sample. 331 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 5490
For a booking, OO 5490 has one of the better records a US domestic flight can show: 85.1% on time and 0.91% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- OKC to DEN, every carrier and departure
- DEN to OKC, the return direction
- SkyWest Airlines 4751 on the same route95.0%
- SkyWest Airlines 4768 on the same route74.5%
- 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.