| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | SNA | SEA | 18:07 | 20:39 |
Landed
|
Track > |
| Sep 04 | SNA | SEA | 19:14 | 21:29 |
Landed Late
|
Track > |
| Sep 03 | SNA | SEA | 20:13 | 22:30 |
Delayed
|
Track > |
| Sep 02 | SNA | SEA | 18:09 | 20:39 |
Landed
|
Track > |
| Sep 01 | SNA | SEA | 18:07 | 20:26 |
Landed
|
Track > |
| Aug 31 | SNA | SEA | 19:40 | 21:55 |
Delayed
|
Track > |
| Aug 30 | SNA | SEA | 18:08 | 20:30 |
Landed
|
Track > |
| Aug 28 | SNA | SEA | 18:15 | 20:40 |
Landed
|
Track > |
| Aug 27 | SNA | SEA | 18:27 | 20:53 |
Landed
|
Track > |
| Aug 26 | SNA | SEA | 18:10 | 20:30 |
Landed
|
Track > |
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 22 minutes. The flight distance is 1576 km / 979 miles and the average flight speed is 666 km/h / 414 mph.
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 Tuesday, September 8th, 2026 with the flight status being Landed on 20:39.
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, 40% of all OO3999 flights are delayed. The average delay is 51 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: WN178, XE722, WN4577, AS3248
Other flights arriving at Seattle SEA: WN555, WN3323, AS9720, DL3887
All flights connecting Orange County SNA to Seattle SEA.