| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | SFO | SEA | 21:19 | 22:55 |
Landed
|
Track > |
United Airlines Flight UA8140 connects San Francisco, United States to Seattle, United States, taking off from San Francisco International Airport SFO and landing at Seattle Tacoma International Airport SEA.
How long is the UA8140 flight from San Francisco to Seattle?
The average flight time from San Francisco to Seattle is 1 hour and 36 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 683 km/h / 424 mph.
How many UA8140 flights are operated per week?
1 flight per week. The flight UA8140 is operated on Monday.
What is the On-Time Performance (OTP) of United Airlines Flight UA8140 San Francisco to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA8140 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA8140 flight?
The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 22:55.
How else can the flight UA8140 be referenced as?
This United Airlines flight can also be referenced as UAL8140, UA 8140, UAL 8140.
How often is flight UA8140 delayed?
On average, 0% of all UA8140 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA8140 flight or baggage issues?
If your UA8140 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 UA8140 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: AA2045, UA477, UA1007, UA649
Other flights arriving at Seattle SEA: AS23, AS652, DL4132, UA1007
All flights connecting San Francisco SFO to Seattle SEA.
