| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | SFO | SEA | 19:32 | 21:05 |
Landed
|
Track > |
| Jul 18 | SFO | SEA | 18:45 | 20:11 |
Landed
|
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| Jul 17 | SFO | SEA | 18:43 | 20:53 |
Unknown
|
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| Jul 16 | SFO | SEA | 19:35 | 21:11 |
Landed Late
|
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| Jul 15 | SFO | SEA | 19:17 | 20:52 |
Landed
|
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| Jul 14 | SFO | SEA | 19:08 | 20:29 |
Landed
|
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| Jul 13 | SFO | SEA | 19:38 | 21:12 |
Landed Late
|
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| Jul 12 | SFO | SEA | 18:51 | 20:21 |
Landed
|
Track > |
| Jul 11 | SFO | SEA | 18:48 | 20:30 |
Landed
|
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| Jul 10 | SFO | SEA | 19:31 | 20:57 |
Landed
|
Track > |
United Airlines Flight UA1577 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 UA1577 flight from San Francisco to Seattle?
The average flight time from San Francisco to Seattle is 1 hour and 31 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 693 km/h / 431 mph.
How many UA1577 flights are operated per week?
7 flights per week. The flight UA1577 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1577 San Francisco to Seattle?
The Airportia On-Time Performance Rating for United Airlines Flight UA1577 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1577 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being Landed on 21:05.
How else can the flight UA1577 be referenced as?
This United Airlines flight can also be referenced as UAL1577, UA 1577, UAL 1577.
How often is flight UA1577 delayed?
On average, 40% of all UA1577 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled UA1577 flight or baggage issues?
If your UA1577 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 UA1577 Flight Tracker above for more details.
Flight UA1577 is code-shared by 6 airlines using the flight numbers AZ4515, LX3256, NZ9400, OZ6302, TK9587, VA8284
Other flights departing from San Francisco SFO: UA2126, UA5796, UA2429, UA1375
Other flights arriving at Seattle SEA: B6263, AS1301, DL4031, DL3887
All flights connecting San Francisco SFO to Seattle SEA.
