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DelayAtlas

Flight number record

OO 3483

SkyWest Airlines · Portland to Santa Rosa

Route
PDX → STS
Departs
07:15
Flights
260
Period
July 2025 to June 2026
B+GRADE

Historical statistics for July 2025 to June 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+, about a point better than the national rate of 77.6%. 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 is a workable record, not a spotless one. That rests on 260 flights, with a median arrival 5 minutes early.

Key figures

On time

78.5%

Arrivals under 15 minutes late, of 247 completed flights

Avg delay

78 min

Across delayed arrivals only, not all flights

Cancelled

0.77%

National rate is 1.81%

1 hour+ late

9.3%

National rate is 8.1%

These figures cover 260 flights between July 2025 and June 2026. Beyond the headline rate, 9.3% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

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 260 flights, with 07:00 (86 flights) and 07:05 (28 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 07:15105 flights40.4%
  • Departs 07:0086 flights33.1%
  • Departs 07:0528 flights10.8%

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 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 11 points worse at 78.5%. 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 3483 next to PDX to STS

Every carrier on PDX to STS combined arrived on time 83.5% of the time across 613 flights, so OO 3483 is 5 points behind it. SkyWest flew 587 flights on the same city pair under all its flight numbers, including this one, and those ran 83.6% on time. Across its whole network SkyWest Airlines managed 79.0%, close to this flight's figure.

OO 3483 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
OO 3483thin sample26078.5%78 min0.77%B+
All SkyWest Airlines on PDX–STS58783.6%65 min0.34%B+
All carriers on PDX–STS61383.5%64 min0.49%B+
SkyWest Airlines, whole network852,93579.0%88 min1.77%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 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 202542 flights77.5%
  • Oct–Dec 202569 flights55.7%
  • Jan–Mar 202679 flights84.2%
  • Apr–Jun 202670 flights92.9%

Scale runs 45% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, OO 3483 did best on Wednesday at 87.1% on time and worst on Saturday at 73.0%. Each day rests on about 37 flights, so a gap of 14 points is worth noticing but could still narrow in another year.

On-time rate by day of the week78.9Mon75.0Tue87.1Wed78.4Thu83.3Fri73.0Sat75.0Sun
Monday: 78.9 percent on time. Tuesday: 75.0 percent on time. Wednesday: 87.1 percent on time. Thursday: 78.4 percent on time. Friday: 83.3 percent on time. Saturday: 73.0 percent on time. Sunday: 75.0 percent on time

Delay causes

Why OO 3483 runs late

One category carries most of the weight here. Extreme weather accounts for 45% of the 4,113 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

  • Extreme weather
    45%
  • Carrier
    35%
  • Late-arriving aircraft
    13%
  • National Airspace System
    8%

Extreme weather accounts for 45% 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 7.2 times the usual weather exposure. The split is drawn from 4,113 delay minutes reported on OO 3483.

Cancellations are rare at 0.77%, 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

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.3% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The same number turns up on two other city pairs in the data, including RDM to PDX (50) and 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. 260 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, OO 3483 is one of the weaker ways to fly PDX to STS: 5 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.

Related

Where to go next

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.