| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 02 | SNA | SEA | 19:18 | 21:37 |
Delayed
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| Aug 01 | SNA | SEA | 17:47 | 20:10 |
Landed
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| Jul 31 | SNA | SEA | 17:52 | 20:12 |
Landed
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| Jul 30 | SNA | SEA | 18:00 | 20:25 |
Landed
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SkyWest Airlines Flight OO3999 connects Orange County, United States to Seattle, United States, taking off from Orange County John Wayne Airport SNA and landing at Seattle Tacoma International Airport SEA.
How long is the OO3999 flight from Orange County to Seattle?
The average flight time from Orange County to Seattle is 2 hours and 21 minutes. The flight distance is 1576 km / 979 miles and the average flight speed is 667 km/h / 415 mph.
How many OO3999 flights are operated per week?
4 flights per week. The flight OO3999 is operated on Monday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of SkyWest Airlines Flight OO3999 Orange County to Seattle?
The Airportia On-Time Performance Rating for SkyWest Airlines Flight OO3999 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest OO3999 flight?
The latest flight took off on Monday, August 3rd, 2026 with the flight status being En-Route on 21:37.
How else can the flight OO3999 be referenced as?
This SkyWest Airlines flight can also be referenced as SKW3999, OO 3999, SKW 3999.
How often is flight OO3999 delayed?
On average, 25% of all OO3999 flights are delayed. The average delay is 68 minutes.
Can I get compensation for my delayed or cancelled OO3999 flight or baggage issues?
If your OO3999 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our OO3999 Flight Tracker above for more details.
Flight OO3999 is code-shared by 1 airline using the flight number VS4675
Other flights departing from Orange County SNA: WS1581, WN4514, AS774, WN1209
Other flights arriving at Seattle SEA: AS572, AS569, AS412, DL2640
All flights connecting Orange County SNA to Seattle SEA.