Flight number record
OO 3483
SkyWest Airlines · Portland to Santa Rosa
- Route
- PDX → STS
- Departs
- 07:15
- Flights
- 310
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s OO 3483, 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 3483 lands a B+, 4 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 310 flights, with a median arrival 5 minutes early.
Key figures
On time
80.8%
Arrivals under 15 minutes late, of 297 completed flights
Avg delay
75 min
Across delayed arrivals only, not all flights
Cancelled
0.65%
National rate is 1.89%
1 hour+ late
8.1%
National rate is 8.3%
These figures cover 310 flights between September 2025 and August 2026. Beyond the headline rate, 8.1% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When OO 3483 flies
OO 3483 flies PDX to STS without a single fixed slot. Its most common scheduled departure was 07:15, used on 105 of 310 flights, with 07:00 (74 flights) and 14:30 (70 flights) next.
- Departs 07:15105 flights33.9%
- Departs 07:0074 flights23.9%
- Departs 14:3070 flights22.6%
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 07:15 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and OO 3483 runs 9 points worse at 80.8%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
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Against the route
OO 3483 next to PDX to STS
Every carrier on PDX to STS combined arrived on time 84.6% of the time across 653 flights, so OO 3483 is 4 points behind it. SkyWest flew 627 flights on the same city pair under all its flight numbers, including this one, and those ran 84.8% on time. Across its whole network SkyWest Airlines managed 78.7%, which this flight beats by 2 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 3483thin sample | 310 | 80.8% | 75 min | 0.65% | B+ |
| All SkyWest Airlines on PDX–STS | 627 | 84.8% | 64 min | 0.32% | B+ |
| All carriers on PDX–STS | 653 | 84.6% | 64 min | 0.46% | B+ |
| SkyWest Airlines, whole network | 855,406 | 78.7% | 88 min | 1.79% | B |
Across the year
OO 3483 quarter by quarter
OO 3483 did not run the same all year. Its best quarter was Apr–Jun 2026 at 92.9% on time and its weakest Oct–Dec 2025 at 55.7%, a swing of 37 points on roughly 78 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 flights—
- Oct–Dec 202569 flights55.7%
- Jan–Mar 202679 flights84.2%
- Apr–Jun 202670 flights92.9%
- Jul–Sep 202662 flights87.1%
Scale runs 45% to 100%. Rows with fewer than 30 flights show a dash.
By weekday, OO 3483 did best on Wednesday at 86.8% on time and worst on Tuesday at 74.4%. Each day rests on about 44 flights, so a gap of 12 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late OO 3483 runs when it is late
OO 3483 often beats the schedule: 76 of 297 completed flights, 26%, arrived 15 minutes or more early. The 57 late arrivals split 20 under half an hour, 13 between 30 and 60 minutes, and 24 an hour or more.
- 15+ min early76 flights25.6%
- Within 15 min164 flights55.2%
- 15–29 min late20 flights6.7%
- 30–59 min late13 flights4.4%
- 1–2 hours late12 flights4.0%
- 2+ hours late12 flights4.0%
Scale runs 0% to 100%.
Share of 297 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 47 departures that left 15 minutes late or more, only 4 made it up before arrival. 14 flights left on time and still arrived late.
The worst days
Worst days for OO 3483
The latest arrival of the period was on 2 March 2026, 6 hours 22 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). Three of the five worst days fell in December 2025.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 2 March 2026 | 6 hours 22 minutes | Carrier |
| 14 December 2025 | 3 hours 50 minutes | Extreme weather |
| 6 January 2026 | 3 hours 28 minutes | Late-arriving aircraft |
| 7 December 2025 | 3 hours 21 minutes | Extreme weather |
| 20 December 2025 | 2 hours 58 minutes | Extreme weather |
Delay causes
Why OO 3483 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 4,262 reported delay minutes.
- 40%Extreme weather
- 38%Carrier
- 14%Late-arriving aircraft
- 8%National Airspace System
Extreme weather accounts for 40% 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 6.7 times the usual weather exposure. The split is drawn from 4,262 delay minutes reported on OO 3483.
Cancellations are rare at 0.65%, 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
8.1% 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 one other city pair in the data, including PDX to SFO (4), but none flew often enough under OO 3483 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to PDX to STS only.
One caution: this is a thin sample. 310 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 3483
For a booking, read OO 3483 as 80.8% on time with 0.65% cancelled over 310 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- Portland International (PDX) 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
- The best time of day to fly, according to 7.05 million flight records
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.