UAL1646

For travellers

Departure · San Francisco (SFO)

Terminal T3 · Gate E9

Scheduled 02 Oct 22:57 · Departed 02 Oct 23:11 · +14 min

Board status: Departed

Airborne since 02 Oct 23:25 (ADS-B)

Arrival · Baltimore (BWI)

Gate D16

Scheduled 03 Oct 07:20 · Landed 03 Oct 07:18

Board status: Arrived

Landed 03 Oct 07:17 (airport data)

Board data from bwi, sfo, updated 1591 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

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

Scheduled departure

2026-10-03 05:57 UTC

Departed

2026-10-03 06:25 UTC

Arrival

Baltimore/Washington International Thurgood Marshall Airport (BWI) — Baltimore, United States

Scheduled arrival

2026-10-03 11:20 UTC

Estimated arrival

2026-10-03 11:14 UTC

Also flies as

UA1646

Codeshares

NZ9032, VA8393

Distance flown

4097 km

Straight-line distance

3944 km

Aircraft

Registration

N67812

Type

Boeing 737-900

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

CO2 (EMEP est., total)

95.9 t (732 kg/pax Business, 510 kg/pax Economy)

Altitude & speed

Max altitude

37,025 ft

Max ground speed

516 kt

Tracked

4h 51m · 4,084 km

Altitude (ft, max 37,025)

Ground speed (kt, max 516)

Altitude (ft, max 37,025)

Ground speed (kt, max 516)

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
2026-10-03 06:25 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N67812	Boeing 737-900	Completed (landing confirmed by airport data)	4097 km
2026-10-02 06:00 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N17402	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	4047 km
2026-09-29 06:31 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N47412	Boeing 737 MAX 9	Completed	4057 km
2026-09-28 06:22 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N77544	Boeing 737 MAX 9	Completed	4105 km
2026-09-26 06:35 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N37540	Boeing 737 MAX 9	Completed	4135 km
2026-09-25 07:31 UTC	UAL1646	SFO → BWI San Francisco → Baltimore	N47446	Boeing 737 MAX 9	Completed	4087 km
2026-09-23 11:04 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37536	Boeing 737 MAX 9	Completed	699 km
2026-09-22 10:38 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37502	Boeing 737 MAX 9	Completed	690 km
2026-09-21 10:33 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N47505	Boeing 737 MAX 9	Completed	703 km
2026-09-20 11:40 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N855UA	Airbus A319	Completed	780 km
2026-09-19 11:11 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N77571	Boeing 737 MAX 9	Completed	703 km
2026-09-18 10:34 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37531	Boeing 737 MAX 9	Completed	752 km
2026-09-17 10:35 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N17401	Boeing 737 MAX 9	Completed	781 km
2026-09-16 11:04 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N17477	Boeing 737 MAX 9	Completed	808 km
2026-09-15 10:27 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37513	Boeing 737 MAX 9	Completed	709 km
2026-09-14 10:40 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37450	Boeing 737 MAX 9	Completed	744 km
2026-09-13 12:31 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N852UA	Airbus A319	Completed	798 km
2026-09-12 11:11 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37473	Boeing 737 MAX 9	Completed	751 km
2026-09-11 10:48 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37534	Boeing 737 MAX 9	Completed	751 km
2026-09-10 10:33 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N77587	Boeing 737 MAX 9	Completed	824 km
2026-09-09 11:06 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N77558	Boeing 737 MAX 9	Completed	768 km
2026-09-08 11:07 UTC	UAL1646	RDU → EWR Raleigh/Durham → Newark	N37514	Boeing 737 MAX 9	Completed	808 km
2026-09-07 23:20 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N774UA	Boeing 777-200ER	Completed	3978 km
2026-09-06 23:25 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N210UA	Boeing 777-200ER	Completed	3958 km
2026-09-05 23:43 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N215UA	Boeing 777-200ER	Completed	3952 km
2026-09-05 06:33 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N769UA	Boeing 777-200ER	Completed	3984 km
2026-09-03 23:18 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N210UA	Boeing 777-200ER	Completed	3990 km
2026-09-02 23:12 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N222UA	Boeing 777-200ER	Completed	3953 km
2026-09-01 23:25 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N781UA	Boeing 777-200ER	Completed	3964 km
2026-08-31 23:46 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N771UA	Boeing 777-200ER	Completed	3991 km
2026-08-30 23:37 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N215UA	Boeing 777-200ER	Completed	4004 km
2026-08-29 23:29 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N769UA	Boeing 777-200ER	Completed	3982 km
2026-08-29 00:52 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N781UA	Boeing 777-200ER	Completed	3953 km
2026-08-28 00:14 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N215UA	Boeing 777-200ER	Completed	3961 km
2026-08-26 23:22 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N773UA	Boeing 777-200ER	Completed	3951 km
2026-08-25 23:46 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N779UA	Boeing 777-200ER	Completed	3960 km
2026-08-24 23:18 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N774UA	Boeing 777-200ER	Completed	3991 km
2026-08-24 01:04 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N776UA	Boeing 777-200ER	Completed	3951 km
2026-08-22 23:37 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N776UA	Boeing 777-200ER	Completed	4235 km
2026-08-21 23:31 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N781UA	Boeing 777-200ER	Completed	4192 km
2026-08-20 23:37 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N773UA	Boeing 777-200ER	Completed	4276 km
2026-08-19 23:32 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N222UA	Boeing 777-200ER	Completed	4078 km
2026-08-19 00:02 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N213UA	Boeing 777-200ER	Completed	4325 km
2026-08-17 23:26 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N210UA	Boeing 777-200ER	Completed	4262 km
2026-08-17 01:19 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N222UA	Boeing 777-200ER	Completed	4300 km
2026-08-15 23:56 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N774UA	Boeing 777-200ER	Completed	~6324 km est. (4609 km recorded)
2026-08-14 23:50 UTC	UAL1646	HNL → SFO Honolulu → San Francisco	N781UA	Boeing 777-200ER	Completed	4074 km
2026-08-14 16:45 UTC	UAL1646	LAX → HNL Los Angeles → Honolulu	N781UA	Boeing 777-200ER	Completed	4230 km
2026-08-14 07:54 UTC	UAL1646	HNL → LAX Honolulu → Los Angeles	N781UA	Boeing 777-200ER	Completed	4306 km
2026-08-14 00:35 UTC	UAL1646	LAX → HNL Los Angeles → Honolulu	N781UA	Boeing 777-200ER	Completed	4296 km