UAL1556

Flight

Status

Completed (landing presumed)

Arrival confirmed via

Inferred (no confirmation)

Departure

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

Departed

2026-10-03 16:56 UTC (first seen)

Arrival

Luis Munoz Marin International Airport (SJU) — San Juan, Puerto Rico

Distance flown

421 km

Straight-line distance

2594 km

Approach distance

107 km

Aircraft

Registration

N37537

Type

Boeing 737 MAX 9

Seats

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

Altitude & speed

Max altitude

35,000 ft

Max ground speed

472 kt

Tracked

39m · 421 km

Altitude (ft, max 35,000)

Ground speed (kt, max 472)

Altitude (ft, max 35,000)

Ground speed (kt, max 472)

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 16:56 UTC	UAL1556	EWR → SJU Newark → San Juan	N37537	Boeing 737 MAX 9	Completed (landing presumed)	421 km
2026-10-03 13:56 UTC	UAL1556	EWR → SJU Newark → San Juan	N37537	Boeing 737 MAX 9	Incomplete (signal lost)	~2807 km est. (809 km recorded)
2026-10-02 17:09 UTC	UAL1556	EWR → SJU Newark → San Juan	N37465	Boeing 737-900	Completed (landing presumed)	208 km
2026-10-02 14:12 UTC	UAL1556	EWR → IAH Newark → Houston	N37465	Boeing 737-900	Completed (landing confirmed by airport data)	~2993 km est. (580 km recorded)
2026-10-01 16:56 UTC	UAL1556	EWR → SJU Newark → San Juan	N57416	Boeing 737 MAX 9	Completed (landing presumed)	193 km
2026-10-01 13:51 UTC	UAL1556	EWR → IAH Newark → Houston	N57416	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3063 km est. (635 km recorded)
2026-09-30 14:11 UTC	UAL1556	EWR → SJU Newark → San Juan	N17589	Boeing 737 MAX 9	Completed (landing presumed)	2744 km
2026-09-29 13:51 UTC	UAL1556	EWR → SJU Newark → San Juan	N77471	Boeing 737 MAX 9	Completed (landing presumed)	2689 km
2026-09-28 14:15 UTC	UAL1556	EWR → SJU Newark → San Juan	N27519	Boeing 737 MAX 9	Completed (landing presumed)	2742 km
2026-09-27 14:12 UTC	UAL1556	EWR → SJU Newark → San Juan	N47450	Boeing 737 MAX 9	Completed (landing presumed)	2761 km
2026-09-26 14:07 UTC	UAL1556	EWR → SJU Newark → San Juan	N27419	Boeing 737 MAX 9	Completed (landing presumed)	2712 km
2026-09-25 14:16 UTC	UAL1556	EWR → SJU Newark → San Juan	N37549	Boeing 737 MAX 9	Completed (landing presumed)	3105 km
2026-09-24 14:28 UTC	UAL1556	EWR → SJU Newark → San Juan	N27474	Boeing 737 MAX 9	Completed (landing presumed)	2752 km
2026-09-23 13:52 UTC	UAL1556	EWR → SJU Newark → San Juan	N57466	Boeing 737 MAX 9	Completed (landing presumed)	2740 km
2026-09-22 14:15 UTC	UAL1556	EWR → SJU Newark → San Juan	N27568	Boeing 737 MAX 9	Completed (landing presumed)	2747 km
2026-09-20 14:08 UTC	UAL1556	EWR → SJU Newark → San Juan	N17427	Boeing 737 MAX 9	Completed (landing presumed)	2782 km
2026-09-19 14:01 UTC	UAL1556	EWR → SJU Newark → San Juan	N37510	Boeing 737 MAX 9	Completed (landing presumed)	2733 km
2026-09-18 14:06 UTC	UAL1556	EWR → SJU Newark → San Juan	N17458	Boeing 737 MAX 9	Completed (landing presumed)	2746 km
2026-09-17 14:00 UTC	UAL1556	EWR → SJU Newark → San Juan	N77575	Boeing 737 MAX 9	Completed	2878 km
2026-09-16 14:23 UTC	UAL1556	EWR → SJU Newark → San Juan	N57451	Boeing 737 MAX 9	Completed	2772 km
2026-09-15 13:55 UTC	UAL1556	EWR → SJU Newark → San Juan	N77590	Boeing 737 MAX 9	Completed (landing presumed)	2765 km
2026-09-14 13:55 UTC	UAL1556	EWR → SJU Newark → San Juan	N17433	Boeing 737 MAX 9	Completed	2812 km
2026-09-13 16:44 UTC	UAL1556	EWR → SJU Newark → San Juan	N67501	Boeing 737 MAX 9	Completed	2754 km
2026-09-13 10:15 UTC	UAL1556	MCO → EWR Orlando → Newark	N77581	Boeing 737 MAX 9	Completed	1721 km
2026-09-12 13:58 UTC	UAL1556	EWR → SJU Newark → San Juan	N17406	Boeing 737 MAX 9	Completed (landing presumed)	2786 km
2026-09-11 13:43 UTC	UAL1556	EWR → SJU Newark → San Juan	N17418	Boeing 737 MAX 9	Completed	2831 km
2026-09-10 13:50 UTC	UAL1556	EWR → SJU Newark → San Juan	N17413	Boeing 737 MAX 9	Completed (landing presumed)	2756 km
2026-09-09 13:52 UTC	UAL1556	EWR → SJU Newark → San Juan	N37561	Boeing 737 MAX 9	Completed	2773 km
2026-09-07 14:13 UTC	UAL1556	EWR → SJU Newark → San Juan	N37531	Boeing 737 MAX 9	Completed	2801 km
2026-09-06 13:57 UTC	UAL1556	EWR → SJU Newark → San Juan	N47569	Boeing 737 MAX 9	Completed	2836 km
2026-09-05 13:56 UTC	UAL1556	EWR → SJU Newark → San Juan	N37415	Boeing 737 MAX 9	Completed	2874 km
2026-09-04 13:46 UTC	UAL1556	EWR → SJU Newark → San Juan	N17405	Boeing 737 MAX 9	Completed	3007 km
2026-09-03 14:42 UTC	UAL1556	EWR → SJU Newark → San Juan	N37523	Boeing 737 MAX 9	Completed	2748 km
2026-09-02 13:40 UTC	UAL1556	EWR → SJU Newark → San Juan	N77559	Boeing 737 MAX 9	Completed	2794 km
2026-09-01 13:41 UTC	UAL1556	EWR → SJU Newark → San Juan	N17454	Boeing 737 MAX 9	Completed	2726 km
2026-08-31 13:50 UTC	UAL1556	EWR → SJU Newark → San Juan	N37508	Boeing 737 MAX 9	Completed	3132 km
2026-08-30 13:48 UTC	UAL1556	EWR → SJU Newark → San Juan	N17557	Boeing 737 MAX 9	Completed	3140 km
2026-08-29 14:24 UTC	UAL1556	EWR → SJU Newark → San Juan	N17465	Boeing 737 MAX 9	Completed	2839 km
2026-08-28 13:50 UTC	UAL1556	EWR → SJU Newark → San Juan	N87442	Boeing 737 MAX 9	Completed	2780 km
2026-08-27 14:17 UTC	UAL1556	EWR → SJU Newark → San Juan	N17564	Boeing 737 MAX 9	Completed	3596 km
2026-08-26 15:35 UTC	UAL1556	EWR → SJU Newark → San Juan	N17455	Boeing 737 MAX 9	Completed	3638 km
2026-08-25 13:58 UTC	UAL1556	EWR → SJU Newark → San Juan	N37502	Boeing 737 MAX 9	Completed	3020 km
2026-08-24 13:40 UTC	UAL1556	EWR → SJU Newark → San Juan	N69888	Boeing 737-900	Completed	2763 km
2026-08-23 13:58 UTC	UAL1556	EWR → SJU Newark → San Juan	N37504	Boeing 737 MAX 9	Completed	2950 km
2026-08-22 14:02 UTC	UAL1556	EWR → SJU Newark → San Juan	N77571	Boeing 737 MAX 9	Completed	2984 km
2026-08-21 13:45 UTC	UAL1556	EWR → SJU Newark → San Juan	N37449	Boeing 737 MAX 9	Completed	2933 km
2026-08-20 14:01 UTC	UAL1556	EWR → SJU Newark → San Juan	N77588	Boeing 737 MAX 9	Completed	4129 km
2026-08-19 13:51 UTC	UAL1556	EWR → SJU Newark → San Juan	N17458	Boeing 737 MAX 9	Completed	3376 km
2026-08-18 14:13 UTC	UAL1556	EWR → SJU Newark → San Juan	N17460	Boeing 737 MAX 9	Completed	5899 km
2026-08-16 13:47 UTC	UAL1556	EWR → SJU Newark → San Juan	N17461	Boeing 737 MAX 9	Completed	2996 km