UA1821 · UAL1821

UAL1821 over the last 30 days

As of 2026-10-28

UAL1821 is operated by United Airlines on the route Chicago O'Hare International Airport (ORD/KORD) → LaGuardia Airport (LGA/KLGA). It usually takes off around 19:27 UTC (14:27 local time, ORD). It usually lands around 21:06 UTC (17:06 local time, LGA). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

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

Typical take-off

19:27 UTC · 14:27 local time (ORD)

Typical landing

21:06 UTC · 17:06 local time (LGA)

Typical time airborne

99 min

Median departure delay on this route

−3 min

Departures within 15 minutes of schedule

85 %

Departures measured

397

Our measurement against the airport's published schedule 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 737-800 (B738) — Number of flights: 27
• BOEING 737 MAX 8 (B38M) — Number of flights: 2

Aircraft in the last 7 days

• N47291 · BOEING 737 MAX 8 2026-10-28
• N18223 · BOEING 737-800 2026-10-27
• N18243 · BOEING 737-800 2026-10-26
• N77542 · BOEING 737-800 2026-10-24
• N79541 · BOEING 737-800 2026-10-23
• N35271 · BOEING 737-800 2026-10-22

Related flights on this route

• All flights KORD – KLGA