| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 30 | GEG | SEA | 06:10 | 06:55 |
Landed
|
Track > |
| Sep 28 | GEG | SEA | 06:13 | 06:58 |
Landed
|
Track > |
| Sep 27 | GEG | SEA | 06:06 | 06:53 |
Landed
|
Track > |
| Sep 26 | GEG | SEA | 06:11 | 06:59 |
Landed
|
Track > |
| Sep 25 | GEG | SEA | 06:15 | 07:14 |
Landed
|
Track > |
| Aug 19 | GEG | SEA | 07:13 | 07:52 |
Landed
|
Track > |
| Aug 17 | GEG | SEA | 07:09 | 07:50 |
Landed
|
Track > |
| Aug 16 | GEG | SEA | 07:06 | 07:48 |
Landed
|
Track > |
| Aug 15 | GEG | SEA | 08:10 | 08:59 |
Landed Late
|
Track > |
| Aug 14 | GEG | SEA | 07:09 | 07:50 |
Landed
|
Track > |
Singapore Airlines Flight SQ1231 connects Spokane, United States to Seattle, United States, taking off from Spokane International Airport GEG and landing at Seattle Tacoma International Airport SEA.
How long is the SQ1231 flight from Spokane to Seattle?
The average flight time from Spokane to Seattle is 45 minutes. The flight distance is 359 km / 223 miles and the average flight speed is 479 km/h / 297 mph.
What is the On-Time Performance (OTP) of Singapore Airlines Flight SQ1231 Spokane to Seattle?
The Airportia On-Time Performance Rating for Singapore Airlines Flight SQ1231 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight SQ1231 arriving at?
Flight SQ1231 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.
When was the latest SQ1231 flight?
The latest flight took off on Tuesday, September 30th, 2025 with the flight status being Landed on 06:55.
How else can the flight SQ1231 be referenced as?
This Singapore Airlines flight can also be referenced as SIA1231, SQ 1231, SIA 1231.
How often is flight SQ1231 delayed?
On average, 10% of all SQ1231 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled SQ1231 flight or baggage issues?
If your SQ1231 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 SQ1231 Flight Tracker above for more details.
Other flights departing from Spokane GEG: AS2101, WN4207, AS1279, WN3950
Other flights arriving at Seattle SEA: AS2380, AS2349, AS2101, AS2201
All flights connecting Spokane GEG to Seattle SEA.
