UAL577

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Newark Liberty International Airport (EWR) — Newark, United States

Departed

2026-09-13 18:13 UTC

Arrival

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

Distance flown

489 km

Straight-line distance

322 km

Approach distance

126 km

Aircraft

Registration

N14735

Type

Boeing 737-700

Seats

126 total (78 Economy, 36 Economy Plus, 12 Business)

Altitude & speed

Max altitude

21,000 ft

Max ground speed

469 kt

Tracked

53m · 470 km

Altitude (ft, max 21,000)

Ground speed (kt, max 469)

Altitude (ft, max 21,000)

Ground speed (kt, max 469)

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
2026-10-02 17:48 UTC	UAL577	EWR → BOS Newark → Boston	N17418	Boeing 737 MAX 9	In progress	~322 km est.
2026-10-02 12:40 UTC	UAL577	STL → EWR St Louis → Newark	N834UA	Airbus A319	Completed	1532 km
2026-10-01 18:15 UTC	UAL577	EWR → BOS Newark → Boston	N17317	Boeing 737 MAX 8	Completed	464 km
2026-10-01 12:33 UTC	UAL577	STL → EWR St Louis → Newark	N846UA	Airbus A319	Completed	1493 km
2026-09-30 17:31 UTC	UAL577	EWR → BOS Newark → Boston	N47282	Boeing 737 MAX 8	Completed	464 km
2026-09-30 12:32 UTC	UAL577	STL → EWR St Louis → Newark	N828UA	Airbus A319	Completed	1507 km
2026-09-29 17:28 UTC	UAL577	EWR → BOS Newark → Boston	N27256	Boeing 737 MAX 8	Completed	415 km
2026-09-29 12:47 UTC	UAL577	STL → EWR St Louis → Newark	N853UA	Airbus A319	Completed	1489 km
2026-09-28 12:35 UTC	UAL577	STL → EWR St Louis → Newark	N899UA	Airbus A319	Completed	1487 km
2026-09-27 20:24 UTC	UAL577	EWR → BOS Newark → Boston	N17594	Boeing 737-900	Completed	437 km
2026-09-27 12:35 UTC	UAL577	STL → EWR St Louis → Newark	N898UA	Airbus A319	Completed	1522 km
2026-09-26 12:33 UTC	UAL577	STL → EWR St Louis → Newark	N451UA	Airbus A320 233	Completed	1492 km
2026-09-25 17:16 UTC	UAL577	EWR → BOS Newark → Boston	N77259	Boeing 737 MAX 8	Completed	374 km
2026-09-25 12:38 UTC	UAL577	STL → EWR St Louis → Newark	N883UA	Airbus A319	Completed	1483 km
2026-09-24 18:36 UTC	UAL577	EWR → BOS Newark → Boston	N27277	Boeing 737 MAX 8	Completed	358 km
2026-09-24 12:44 UTC	UAL577	STL → EWR St Louis → Newark	N17529	Boeing 737 MAX 9	Completed	1488 km
2026-09-23 17:09 UTC	UAL577	EWR → BOS Newark → Boston	N87442	Boeing 737 MAX 9	Completed	464 km
2026-09-23 12:10 UTC	UAL577	STL → EWR St Louis → Newark	N16709	Boeing 737-700	Completed	1516 km
2026-09-22 18:55 UTC	UAL577	EWR → BOS Newark → Boston	N37440	Boeing 737 MAX 9	Completed	372 km
2026-09-21 12:07 UTC	UAL577	STL → ABE St Louis → Allentown	N13716	Boeing 737-700	Completed	1662 km
2026-09-20 19:27 UTC	UAL577	EWR → BOS Newark → Boston	N17296	Boeing 737 MAX 8	Completed	477 km
2026-09-20 15:52 UTC	UAL577	STL → EWR St Louis → Newark	N17730	Boeing 737-700	Completed	1565 km
2026-09-19 16:53 UTC	UAL577	EWR → BOS Newark → Boston	N15710	Boeing 737-700	Completed	397 km
2026-09-19 12:26 UTC	UAL577	STL → EWR St Louis → Newark	N27734	Boeing 737-700	Completed	1543 km
2026-09-18 17:07 UTC	UAL577	EWR → BOS Newark → Boston	N37541	Boeing 737 MAX 9	Completed	391 km
2026-09-18 12:06 UTC	UAL577	STL → EWR St Louis → Newark	N54711	Boeing 737-700	Completed	1582 km
2026-09-17 17:18 UTC	UAL577	EWR → BOS Newark → Boston	N17411	Boeing 737 MAX 9	Completed	437 km
2026-09-17 12:58 UTC	UAL577	STL → EWR St Louis → Newark	N23707	Boeing 737-700	Completed	1753 km
2026-09-16 17:00 UTC	UAL577	EWR → BOS Newark → Boston	N67501	Boeing 737 MAX 9	Completed	502 km
2026-09-16 12:14 UTC	UAL577	STL → EWR St Louis → Newark	N39728	Boeing 737-700	Completed	1592 km
2026-09-15 17:17 UTC	UAL577	EWR → BOS Newark → Boston	N17401	Boeing 737 MAX 9	Completed	414 km
2026-09-15 13:25 UTC	UAL577	STL → EWR St Louis → Newark	N24729	Boeing 737-700	Completed	1569 km
2026-09-14 17:03 UTC	UAL577	EWR → BOS Newark → Boston	N17431	Boeing 737 MAX 9	Completed	398 km
2026-09-14 12:09 UTC	UAL577	STL → EWR St Louis → Newark	N16709	Boeing 737-700	Completed	1537 km
2026-09-13 18:13 UTC	UAL577	EWR → BOS Newark → Boston	N14735	Boeing 737-700	Completed	489 km
2026-09-13 12:07 UTC	UAL577	STL → EWR St Louis → Newark	N13750	Boeing 737-700	Completed	1649 km
2026-09-12 17:43 UTC	UAL577	EWR → BOS Newark → Boston	N13720	Boeing 737-700	Completed	435 km
2026-09-12 12:09 UTC	UAL577	STL → EWR St Louis → Newark	N21723	Boeing 737-700	Completed	1622 km
2026-09-11 17:14 UTC	UAL577	EWR → BOS Newark → Boston	N37541	Boeing 737 MAX 9	Completed	506 km
2026-09-11 12:13 UTC	UAL577	STL → EWR St Louis → Newark	N13720	Boeing 737-700	Completed	1605 km
2026-09-10 17:28 UTC	UAL577	EWR → BOS Newark → Boston	N77578	Boeing 737 MAX 9	Completed	519 km
2026-09-10 12:04 UTC	UAL577	STL → EWR St Louis → Newark	N24729	Boeing 737-700	Completed	1584 km
2026-09-09 16:58 UTC	UAL577	EWR → BOS Newark → Boston	N77585	Boeing 737 MAX 9	Completed	395 km
2026-09-09 12:11 UTC	UAL577	STL → EWR St Louis → Newark	N24706	Boeing 737-700	Completed	1578 km
2026-09-08 12:03 UTC	UAL577	STL → ? St Louis → ?	N23707	Boeing 737-700	Incomplete (signal lost)	961 km
2026-09-07 16:57 UTC	UAL577	EWR → BOS Newark → Boston	N13720	Boeing 737-700	Completed	410 km
2026-09-07 12:01 UTC	UAL577	STL → EWR St Louis → Newark	N33714	Boeing 737-700	Completed	1560 km
2026-09-06 16:56 UTC	UAL577	EWR → BOS Newark → Boston	N17468	Boeing 737 MAX 9	Completed	368 km
2026-09-06 11:58 UTC	UAL577	STL → EWR St Louis → Newark	N17564	Boeing 737 MAX 9	Completed	1576 km
2026-09-05 12:06 UTC	UAL577	STL → EWR St Louis → Newark	N24736	Boeing 737-700	Completed	1636 km