United Airlines UA1665 Flight Status
According to Trip.com real-time data, the UA1665 flight operated by United Airlines on Nov 4, 2026 is scheduled to fly from San Francisco (SFO) to Boston (BOS). The flight is expected to depart at 11:20 PM (local time in San Francisco, UTC-7) and land at 7:20 AM (local time in Boston, UTC-4) .
Tue, Nov 3
Wed, Nov 4
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Scheduled
Your flight will depart on time.
5h 36m
Check-in Counter
--
Boarding Gate
F11
Arrival Gate
B27
Baggage
5
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Scheduled
Your flight will depart on time.
5h 36m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
5
Need a flight from San Francisco to Boston?
United Airlines From €190
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from San Francisco to Boston or track other flights with our flight status tracker.
UA1665 Aircraft Details
According to Trip.com real-time data, the UA1665 flight flying from San Francisco to Boston on 11/4/2026 is operated by the aircraft model Boeing 757-200. This aircraft has been in service for 31y, 10m. The aircraft is equipped with 169 seats.
Boeing 757-200
Punctuality (Departure)
73
%
Punctuality (Arrival)
97
%
Early on average
22 minutes
Age
31y, 10m
Seats
169
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
More legroom than on 4% of flights
--
Seat width
120°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
193 cm
More legroom than on 46% of flights
52 cm
Seat width
180°
Reclining Angle
Fully reclinable
2-2
Seat layout example
In-Flight Services
Snacks
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
Power outlet
Seat Information
94 cm
More legroom than on 44% of flights
43 cm
Seat width better than on 8% of flights
135°
Reclining Angle
3-3
Seat layout example
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Flight History for UA1665
Trip.com historical records show that the last UA1665 flight departed on Tue, Nov 3 from SFO at approximately 11:20 PM. This flight is expected to arrrive in BOS at 7:20 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 29 | San Francisco (SFO) | Boston (BOS) | 752 | 11:41 PM | 7:34 AM | Arrived |
| Fri, Oct 30 | San Francisco (SFO) | Boston (BOS) | 752 | -- | -- | Canceled |
| Sat, Oct 31 | San Francisco (SFO) | Boston (BOS) | 752 | 11:25 PM | 6:12 AM | Arrived |
| Sun, Nov 1 | San Francisco (SFO) | Boston (BOS) | 752 | 11:52 PM | 7:51 AM | Arrived |
| Mon, Nov 2 | San Francisco (SFO) | Boston (BOS) | 752 | 11:35 PM | 7:41 AM | Arrived |
| Tue, Nov 3 | San Francisco (SFO) | Boston (BOS) | 752 | 11:20 PM | 7:20 AM | Scheduled |
| Wed, Nov 4 | San Francisco (SFO) | Boston (BOS) | 752 | 11:20 PM | 7:20 AM | Scheduled |
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UA1665 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1665 is 73% (Late on average 25 minutes), and the on-time arrival rate is 97% (Early on average 22 minutes).
On-Time Departures
Punctuality
73
%
Late on average
25 minutes
Early
0
%
On time
73
%
30 mins late
17
%
60 mins late
10
%
90 mins late
0
%
Canceled
1
%
On-Time Arrivals
Punctuality
97
%
Early on average
22 minutes
Early
83
%
On time
13
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Canceled
1
%
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Frequently Asked Questions
What is the current status of flight ua1665?
Flight ua1665 has not departed yet and is currently on schedule. Scheduled departure 11:20 PM, arrival 7:56 AM (updated Nov 4, 2026).Is flight ua1665 on time today?
Flight ua1665 has not departed yet and is currently on schedule. Scheduled departure is 11:20 PM, with arrival at 7:56 AM. Recheck gate and timing before you head to the airport.Has flight ua1665 departed yet? What is the departure time?
Flight ua1665 is scheduled to depart at 11:20 PM. The latest actual or estimated departure time is 11:20 PM, and the current status is Scheduled (updated Nov 4, 2026).When is flight ua1665 scheduled to arrive?
Flight ua1665 is scheduled to arrive at 7:56 AM. The latest estimated or actual arrival time is 7:20 AM. Status is Scheduled as of Nov 4, 2026.What is the baggage carousel number for flight ua1665?
After arrival, baggage for flight ua1665 is expected at carousel 5 in terminal B. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua1665 fly?
Flight ua1665 is operated by United Airlines from San Francisco (SFO) to Boston (BOS). Typical flight time is about 5 hours36 minutes; operating days may include Wednesday.How can I check real-time status for flight ua1665?
Track flight ua1665 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua1665 is delayed or canceled, what should I do?
If ua1665 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 4, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua1665 departed from San Francisco?
Flight ua1665 has not departed from San Francisco (SFO) yet and is currently on schedule for 11:20 PM.What is the seat configuration for flight ua1665?
Flight ua1665 usually flies a Boeing 757-200 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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