UAL1543

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Departed

2026-10-03 03:25 UTC (approx.)

Arrival

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

Distance flown

75 km

Straight-line distance

2594 km

Approach distance

54 km

Aircraft

Registration

N17431

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

10,600 ft

Max ground speed

338 kt

Tracked

13m · 74 km

Altitude (ft, max 10,600)

Ground speed (kt, max 338)

Altitude (ft, max 10,600)

Ground speed (kt, max 338)

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 03:25 UTC	UAL1543	EWR → SJU Newark → San Juan	N17431	Boeing 737 MAX 9	Completed	75 km
2026-10-03 00:24 UTC	UAL1543	EWR → SJU Newark → San Juan	N17431	Boeing 737 MAX 9	Incomplete (signal lost)	~2733 km est. (620 km recorded)
2026-10-02 02:53 UTC	UAL1543	EWR → SJU Newark → San Juan	N17565	Boeing 737 MAX 9	Completed	235 km
2026-10-02 00:04 UTC	UAL1543	EWR → SJU Newark → San Juan	N17565	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~2712 km est. (743 km recorded)
2026-10-01 00:02 UTC	UAL1543	EWR → SJU Newark → San Juan	N17477	Boeing 737 MAX 9	Completed	2703 km
2026-09-30 00:23 UTC	UAL1543	EWR → SJU Newark → San Juan	N27568	Boeing 737 MAX 9	Completed (landing presumed)	2690 km
2026-09-28 23:43 UTC	UAL1543	EWR → SJU Newark → San Juan	N37510	Boeing 737 MAX 9	Completed	2727 km
2026-09-28 00:36 UTC	UAL1543	EWR → SJU Newark → San Juan	N37472	Boeing 737 MAX 9	Completed	2853 km
2026-09-26 23:44 UTC	UAL1543	EWR → SJU Newark → San Juan	N17427	Boeing 737 MAX 9	Completed (landing presumed)	3115 km
2026-09-26 00:17 UTC	UAL1543	EWR → SJU Newark → San Juan	N37553	Boeing 737 MAX 9	Completed	3097 km
2026-09-24 23:59 UTC	UAL1543	EWR → SJU Newark → San Juan	N37535	Boeing 737 MAX 9	Completed	2702 km
2026-09-23 23:50 UTC	UAL1543	EWR → SJU Newark → San Juan	N17437	Boeing 737 MAX 9	Completed (landing presumed)	2723 km
2026-09-23 00:18 UTC	UAL1543	EWR → SJU Newark → San Juan	N37521	Boeing 737 MAX 9	Completed	2764 km
2026-09-22 00:39 UTC	UAL1543	EWR → SJU Newark → San Juan	N17477	Boeing 737 MAX 9	Completed	2685 km
2026-09-20 23:47 UTC	UAL1543	EWR → SJU Newark → San Juan	N27511	Boeing 737 MAX 9	Completed	2708 km
2026-09-20 00:20 UTC	UAL1543	EWR → SJU Newark → San Juan	N17417	Boeing 737 MAX 9	Completed	2729 km
2026-09-18 23:44 UTC	UAL1543	EWR → SJU Newark → San Juan	N37518	Boeing 737 MAX 9	Completed	2782 km
2026-09-17 23:56 UTC	UAL1543	EWR → SJU Newark → San Juan	N17420	Boeing 737 MAX 9	Completed	2796 km
2026-09-17 00:29 UTC	UAL1543	EWR → SJU Newark → San Juan	N37567	Boeing 737 MAX 9	Completed	2739 km
2026-09-16 00:23 UTC	UAL1543	EWR → SJU Newark → San Juan	N17456	Boeing 737 MAX 9	Completed	2721 km
2026-09-14 23:45 UTC	UAL1543	EWR → SJU Newark → San Juan	N37506	Boeing 737 MAX 9	Completed	2778 km
2026-09-14 03:01 UTC	UAL1543	EWR → SJU Newark → San Juan	N37542	Boeing 737 MAX 9	Completed	3000 km
2026-09-13 19:59 UTC	UAL1543	MCO → EWR Orlando → Newark	N17583	Boeing 737 MAX 9	Completed	1726 km
2026-09-13 00:16 UTC	UAL1543	EWR → SJU Newark → San Juan	N77588	Boeing 737 MAX 9	Completed	2735 km
2026-09-12 00:19 UTC	UAL1543	EWR → SJU Newark → San Juan	N17432	Boeing 737 MAX 9	Completed (landing presumed)	2780 km
2026-09-11 00:34 UTC	UAL1543	EWR → SJU Newark → San Juan	N77587	Boeing 737 MAX 9	Completed (landing presumed)	2742 km
2026-09-10 00:04 UTC	UAL1543	EWR → SJU Newark → San Juan	N77573	Boeing 737 MAX 9	Completed (landing presumed)	2732 km
2026-09-07 23:42 UTC	UAL1543	EWR → SJU Newark → San Juan	N77573	Boeing 737 MAX 9	Completed	2826 km
2026-09-06 23:45 UTC	UAL1543	EWR → SJU Newark → San Juan	N87442	Boeing 737 MAX 9	Completed	2780 km
2026-09-05 23:42 UTC	UAL1543	EWR → SJU Newark → San Juan	N17432	Boeing 737 MAX 9	Completed	2748 km
2026-09-05 00:16 UTC	UAL1543	EWR → SJU Newark → San Juan	N17583	Boeing 737 MAX 9	Completed	2739 km
2026-09-04 00:12 UTC	UAL1543	EWR → SJU Newark → San Juan	N37507	Boeing 737 MAX 9	Completed	2716 km
2026-09-03 00:21 UTC	UAL1543	EWR → SJU Newark → San Juan	N37540	Boeing 737 MAX 9	Completed	2734 km
2026-09-02 01:00 UTC	UAL1543	EWR → SJU Newark → San Juan	N77543	Boeing 737 MAX 9	Completed	2774 km
2026-08-31 23:47 UTC	UAL1543	EWR → SJU Newark → San Juan	N17596	Boeing 737 MAX 9	Completed	2773 km
2026-08-31 00:24 UTC	UAL1543	EWR → SJU Newark → San Juan	N27439	Boeing 737 MAX 9	Completed	2735 km
2026-08-29 23:54 UTC	UAL1543	EWR → SJU Newark → San Juan	N47570	Boeing 737 MAX 9	Completed	2746 km
2026-08-29 00:37 UTC	UAL1543	EWR → SJU Newark → San Juan	N37525	Boeing 737 MAX 9	Completed	2749 km
2026-08-27 00:59 UTC	UAL1543	EWR → SJU Newark → San Juan	N17597	Boeing 737 MAX 9	Completed	2732 km
2026-08-25 23:42 UTC	UAL1543	EWR → SJU Newark → San Juan	N37548	Boeing 737 MAX 9	Completed	2775 km
2026-08-25 00:11 UTC	UAL1543	EWR → SJU Newark → San Juan	N17413	Boeing 737 MAX 9	Completed	2754 km
2026-08-23 23:42 UTC	UAL1543	EWR → SJU Newark → San Juan	N97424	Boeing 737 MAX 9	Completed	2738 km
2026-08-22 23:49 UTC	UAL1543	EWR → SJU Newark → San Juan	N17455	Boeing 737 MAX 9	Completed	3138 km
2026-08-21 23:45 UTC	UAL1543	EWR → SJU Newark → San Juan	N17438	Boeing 737 MAX 9	Completed	3052 km
2026-08-21 03:52 UTC	UAL1543	EWR → SJU Newark → San Juan	N17467	Boeing 737 MAX 9	Completed	2945 km
2026-08-19 23:42 UTC	UAL1543	EWR → SJU Newark → San Juan	N77592	Boeing 737 MAX 9	Completed	2940 km
2026-08-18 23:52 UTC	UAL1543	EWR → SJU Newark → San Juan	N17583	Boeing 737 MAX 9	Completed	3264 km
2026-08-18 01:14 UTC	UAL1543	EWR → SJU Newark → San Juan	N17583	Boeing 737 MAX 9	Completed	2944 km
2026-08-17 01:48 UTC	UAL1543	EWR → SJU Newark → San Juan	N37538	Boeing 737 MAX 9	Completed	~5730 km est. (3093 km recorded)
2026-08-16 00:00 UTC	UAL1543	EWR → SJU Newark → San Juan	N57416	Boeing 737 MAX 9	Completed	~5738 km est. (3101 km recorded)