UA577 · UAL577

UAL577 over the last 30 days

As of 2026-10-24

UAL577 is operated by United Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Newark Liberty International Airport (EWR/KEWR). It usually takes off around 12:38 UTC (07:38 local time, STL). It usually lands around 14:36 UTC (10:36 local time, EWR). Most frequent aircraft type: AIRBUS A-319 (A319).

Days with an observed flight (last 30 days)

26/30

Days of the week with an observed flight

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

Typical take-off

12:38 UTC · 07:38 local time (STL)

Typical landing

14:36 UTC · 10:36 local time (EWR)

Typical time airborne

118 min

Median departure deviation from the usual time on this route

+21 min

Departures within 15 minutes of the usual time

31 %

Departures measured

39

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)

• AIRBUS A-319 (A319) — Number of flights: 24
• BOEING 737 MAX 8 (B38M) — Number of flights: 21
• AIRBUS A-320 (A320) — Number of flights: 1

Aircraft in the last 7 days

• N846UA · AIRBUS A-319 2026-10-24
• N27252 · BOEING 737 MAX 8 2026-10-23
• N825UA · AIRBUS A-319 2026-10-23
• N37367 · BOEING 737 MAX 8 2026-10-22
• N877UA · AIRBUS A-319 2026-10-22
• N47360 · BOEING 737 MAX 8 2026-10-21

Related flights on this route

• All flights KSTL – KEWR