UA1221

For travellers

Departure · Los Angeles (LAX)

Terminal 7 · Gate 73

Scheduled 01 Oct 16:20

Board status: On Time

Airborne since 01 Oct 16:34 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B25 · Baggage belt 6

Scheduled 00:59 · Landed 00:49 · early

Board status: Arrived

Landed 00:49 (airport data)

Board data from bos, lax, updated 605 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Los Angeles International Airport (LAX) — Los Angeles, United States

Scheduled departure

2026-10-01 23:20 UTC

Departed

2026-10-01 23:34 UTC

Arrival

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

Scheduled arrival

2026-10-02 04:59 UTC

Estimated arrival

2026-10-02 04:50 UTC

Codeshares

NZ9442

Distance flown

4356 km

Straight-line distance

4193 km

Aircraft

Registration

N27519

Type

Boeing 737 MAX 9

Seats

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

CO2 (EMEP est., total)

84.7 t (600 kg/pax Business, 457 kg/pax Economy)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

551 kt

Tracked

5h 40m · 4,348 km

Altitude (ft, max 35,025)

Ground speed (kt, max 551)

Altitude (ft, max 35,025)

Ground speed (kt, max 551)

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 23:34 UTC	UAL8121	LAX → BOS Los Angeles → Boston	N27519	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	4356 km
2026-10-01 18:53 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57862	Boeing 737-300	Completed (landing confirmed by airport data)	4194 km
2026-09-30 23:27 UTC	UAL1221	LAX → BOS Los Angeles → Boston	N47446	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	4451 km
2026-09-30 17:07 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N77871	Boeing 737-300	Incomplete (signal lost)	~4195 km est. (279 km recorded)
2026-09-29 17:06 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57863	Boeing 737-300	Incomplete (signal lost)	~4195 km est. (275 km recorded)
2026-08-31 17:05 UTC	UAL1221	HIK → LAX Honolulu → Los Angeles	N57870	Boeing 737-300	Completed	4360 km
2026-08-30 17:07 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57868	Boeing 737-300	Completed	4214 km
2026-08-29 17:10 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N75861	Boeing 737-300	Completed	4247 km
2026-08-28 17:02 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57852	Boeing 737-300	Completed	4229 km
2026-08-27 17:04 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57852	Boeing 737-300	Completed	4362 km
2026-08-26 17:04 UTC	UAL1221	HNL → LAX Honolulu → Los Angeles	N57870	Boeing 737-300	Completed	4266 km
2026-08-25 17:14 UTC	UAL1221	HIK → LAX Honolulu → Los Angeles	N77871	Boeing 737-300	Completed	4343 km
2026-08-24 17:06 UTC	UAL1221	HIK → LAX Honolulu → Los Angeles	N57857	Boeing 737-300	Completed	4226 km