UAL2356

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

San Francisco International Airport (SFO) — San Francisco, United States

Departed

2026-09-24 21:15 UTC

Arrival

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Distance flown

4544 km

Straight-line distance

4341 km

Approach distance

118 km

Aircraft

Registration

N77584

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

514 kt

Tracked

5h 30m · 4,532 km

Altitude (ft, max 35,025)

Ground speed (kt, max 514)

Altitude (ft, max 35,025)

Ground speed (kt, max 514)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-01 19:39 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37472	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	4472 km
2026-10-01 15:20 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N76519	Boeing 737-800	Completed	764 km
2026-09-30 19:14 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17405	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	4475 km
2026-09-30 14:26 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N26215	Boeing 737-800	Completed	755 km
2026-09-29 20:06 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37555	Boeing 737 MAX 9	Completed	4480 km
2026-09-29 14:37 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17421	Boeing 737 MAX 9	Completed	754 km
2026-09-28 23:12 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17418	Boeing 737 MAX 9	Completed	4447 km
2026-09-28 19:19 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N33289	Boeing 737-800	Completed	833 km
2026-09-27 19:16 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37534	Boeing 737 MAX 9	Completed	4516 km
2026-09-27 15:50 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N78540	Boeing 737-800	Completed	816 km
2026-09-26 18:01 UTC	UAL2356	SFO → BOS San Francisco → Boston	N77579	Boeing 737 MAX 9	Completed	4841 km
2026-09-26 14:22 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17589	Boeing 737 MAX 9	Completed	749 km
2026-09-25 18:05 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17443	Boeing 737 MAX 9	Completed	4508 km
2026-09-25 15:22 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N77296	Boeing 737-800	Completed	770 km
2026-09-24 21:15 UTC	UAL2356	SFO → BOS San Francisco → Boston	N77584	Boeing 737 MAX 9	Completed	4544 km
2026-09-24 14:28 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17335	Boeing 737 MAX 8	Completed	755 km
2026-09-23 18:55 UTC	UAL2356	SFO → BOS San Francisco → Boston	N77552	Boeing 737 MAX 9	Completed	4476 km
2026-09-23 15:17 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N77552	Boeing 737 MAX 9	Completed	785 km
2026-09-22 17:42 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37556	Boeing 737 MAX 9	Completed	4480 km
2026-09-21 19:04 UTC	UAL2356	SFO → BOS San Francisco → Boston	N27464	Boeing 737 MAX 9	Completed	4532 km
2026-09-21 14:23 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17448	Boeing 737 MAX 9	Completed	759 km
2026-09-20 19:40 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17421	Boeing 737 MAX 9	Completed	4448 km
2026-09-20 14:29 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17566	Boeing 737 MAX 9	Completed	824 km
2026-09-19 17:20 UTC	UAL2356	SFO → BOS San Francisco → Boston	N27568	Boeing 737 MAX 9	Completed	4696 km
2026-09-19 15:19 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N37542	Boeing 737 MAX 9	Completed	784 km
2026-09-18 18:43 UTC	UAL2356	SFO → BOS San Francisco → Boston	N27586	Boeing 737 MAX 9	Completed	4858 km
2026-09-18 15:00 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17465	Boeing 737 MAX 9	Completed	812 km
2026-09-17 20:53 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37551	Boeing 737 MAX 9	Completed	4760 km
2026-09-17 14:58 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N77587	Boeing 737 MAX 9	Completed	850 km
2026-09-16 18:53 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17405	Boeing 737 MAX 9	Completed	4701 km
2026-09-16 14:21 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17408	Boeing 737 MAX 9	Completed	806 km
2026-09-15 17:09 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17437	Boeing 737 MAX 9	Completed	4868 km
2026-09-14 18:19 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17455	Boeing 737 MAX 9	Completed	4926 km
2026-09-14 14:11 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17455	Boeing 737 MAX 9	Completed	789 km
2026-09-13 20:41 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37507	Boeing 737 MAX 9	Completed	4989 km
2026-09-13 14:17 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N37513	Boeing 737 MAX 9	Completed	932 km
2026-09-12 19:01 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17438	Boeing 737 MAX 9	Completed	4655 km
2026-09-12 14:17 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N47533	Boeing 737 MAX 9	Completed	796 km
2026-09-11 17:31 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17364	Boeing 737 MAX 8	Completed	4696 km
2026-09-10 19:50 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17358	Boeing 737 MAX 8	Completed	4784 km
2026-09-09 19:02 UTC	UAL2356	SFO → BOS San Francisco → Boston	N77471	Boeing 737 MAX 9	Completed	4708 km
2026-09-09 14:10 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17422	Boeing 737 MAX 9	Completed	805 km
2026-09-08 00:12 UTC	UAL2356	BOS → BOS Boston → Boston	N17406	Boeing 737 MAX 9	Completed	~3 km est. (2 km recorded)
2026-09-07 19:01 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17406	Boeing 737 MAX 9	Completed	4747 km
2026-09-07 14:16 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17406	Boeing 737 MAX 9	Completed	789 km
2026-09-06 22:00 UTC	UAL2356	SFO → BOS San Francisco → Boston	N17437	Boeing 737 MAX 9	Completed	4873 km
2026-09-06 14:21 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N17557	Boeing 737 MAX 9	Completed	754 km
2026-09-05 15:42 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N77471	Boeing 737 MAX 9	Completed	782 km
2026-09-04 18:18 UTC	UAL2356	SFO → BOS San Francisco → Boston	N37556	Boeing 737 MAX 9	Completed	4465 km
2026-09-04 14:17 UTC	UAL2356	LAS → SFO Las Vegas → San Francisco	N37562	Boeing 737 MAX 9	Completed	748 km