UA1543 · UAL1543

UAL1543 over the last 30 days

As of 2026-10-28

UAL1543 is operated by United Airlines on the route Newark Liberty International Airport (EWR/KEWR) → Luis Munoz Marin International Airport (SJU/TJSJ). It usually takes off around 00:03 UTC (20:03 local time, EWR). It usually lands around 03:31 UTC (23:31 local time, SJU). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

00:03 UTC · 20:03 local time (EWR)

Typical landing

03:31 UTC · 23:31 local time (SJU)

Median departure deviation from the usual time on this route

0 min

Departures within 15 minutes of the usual time

87 %

Departures measured

70

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 9 (B39M) — Number of flights: 49
• BOEING 737-900 (B739) — Number of flights: 2

Aircraft in the last 7 days

• N37549 · BOEING 737 MAX 9 2026-10-28
• N17438 · BOEING 737 MAX 9 2026-10-27
• N37528 · BOEING 737 MAX 9 2026-10-25
• N57466 · BOEING 737 MAX 9 2026-10-25
• N37507 · BOEING 737 MAX 9 2026-10-24
• N77543 · BOEING 737 MAX 9 2026-10-23

Related flights on this route

• All flights KEWR – TJSJ