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UA1665

SFO → BOS · Boeing 737 MAX 9 · United Airlines

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Departure · San Francisco (SFO)

Terminal T3 · Gate E5
Scheduled 01 Oct 23:20 · Departed 01 Oct 23:11 · early
Board status: Departed
Airborne since 01 Oct 23:33 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B25 · Baggage belt 6
Scheduled 08:16 · Estimated 07:32 · early
Board status: Now 7:32 AM
In the air, ~2m to go (100% of the route flown)

Board data from bos, sfo, updated 25 min ago; times local to each airport.

Flight

Status
In progress
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-02 06:20 UTC
Departed
2026-10-02 06:33 UTC
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States (scheduled)
Scheduled arrival
2026-10-02 12:16 UTC
Estimated arrival
2026-10-02 11:32 UTC
Progress
100% · ~2m remaining
Codeshares
NZ9018, VA8306
Distance flown
4457 km
Straight-line distance
4341 km

Aircraft

Registration
N17438
Type
Boeing 737 MAX 9
Seats
179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)
CO2 (EMEP est., total)
87.5 t (473 kg/pax Economy, 620 kg/pax Business)

Altitude & speed

Max altitude
35,025 ft
Max ground speed
563 kt
Tracked
4h 56m · 4,457 km
Note
still in progress - the track so far
Altitude (ft, max 35,025)
018,91437,8270m1h 0m2h 0m3h 0m4h 0m
Ground speed (kt, max 563)
03046080m1h 0m2h 0m3h 0m4h 0m
Altitude (ft, max 35,025)
018,91437,8270m2h 0m4h 0m
Ground speed (kt, max 563)
03046080m2h 0m4h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 06:33 UTC UAL1665 SFO → BOS
San Francisco → Boston
 N17438 Boeing 737 MAX 9 In progress ~4341 km est.
2026-10-01 06:31 UTC UAL1665 SFO → BOS
San Francisco → Boston
 N77592 Boeing 737 MAX 9 Completed 4460 km
2026-09-30 06:36 UTC UAL1665 SFO → BOS
San Francisco → Boston
 N17441 Boeing 737 MAX 9 Completed 4483 km

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