Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1821

Operated by UAL

Live map

Live map filtered to UAL1821. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
15:19 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
210° / 8 kt
Visibility
10 SM
Ceiling
BKN 5,500 ft, BKN 8,000 ft
Temp / Dew
28°C / 14°C
Altimeter
30.10 inHg

Obs: 2026-08-28T19:51:00.000Z

Raw METAR / TAF 
METAR KORD 281951Z 21008KT 10SM BKN055 BKN080 28/14 A3010 RMK AO2 SLP189 T02830144

TAF KORD 281720Z 2818/2924 19005KT P6SM SCT050 FM291500 20011G17KT P6SM FEW050 BKN150

flight Live Traffic

flight_takeoff 248 Departures
flight_land 261 Arrivals

Arrival

LGA KLGA VFR

LaGuardia Airport

New York, US

Local time
16:19 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
21 ft
Coordinates
40.7772, -73.8726

cloud Weather

Wind
40° / 6 kt
Visibility
10 SM
Ceiling
SCT 4,000 ft, SCT 10,000 ft, BKN 17,000 ft, BKN 25,000 ft
Temp / Dew
29°C / 19°C
Altimeter
29.98 inHg

Obs: 2026-08-28T19:51:00.000Z

Raw METAR / TAF 
METAR KLGA 281951Z 04006KT 10SM SCT040 SCT100 BKN170 BKN250 29/19 A2998 RMK AO2 SLP150 T02890189 $

TAF KLGA 281958Z 2820/2924 VRB05KT P6SM SCT040 BKN070 FM282100 28007KT P6SM VCSH BKN040 BKN070 FM290000 34009KT P6SM SCT040 SCT070 FM290900 01007KT P6SM FEW040 FM291500 04006KT P6SM FEW040 FEW250 FM291800 VRB05KT P6SM FEW250 FM292100 24007KT P6SM FEW250

flight Live Traffic

flight_takeoff 91 Departures
flight_land 100 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AA56D8 PHL → ORD Jul 26, 20:15 UTCJul 26, 21:50 UTC1h 35m - -
2026-07-25 AAC2E2 PHL → ORD Jul 25, 19:30 UTCJul 25, 21:15 UTC1h 45m - -
2026-07-24 A14B1A PHL → ORD Jul 24, 19:25 UTCJul 24, 21:00 UTC1h 35m - -
2026-07-23 AAA590 PHL → ORD Jul 23, 19:40 UTCJul 23, 21:25 UTC1h 45m - -
2026-07-22 AA7E7C PHL → ORD Jul 22, 19:40 UTCJul 22, 21:10 UTC1h 30m - -
2026-07-20 AA56B5 PHL → ORD Jul 20, 19:40 UTCJul 20, 21:20 UTC1h 40m - -
2026-07-19 A9D5E4 PHL → ORD Jul 19, 20:10 UTCJul 19, 21:40 UTC1h 30m - -
2026-07-17 A2615E PHL → ORD Jul 17, 19:49 UTCJul 17, 21:25 UTC1h 35m - -
2026-07-16 A3A0CA PHL → ORD Jul 16, 20:00 UTCJul 16, 21:35 UTC1h 35m - -
2026-07-15 AA5694 - Jul 15, 23:00 UTCJul 16, 00:00 UTC1h 0m - -
2026-07-15 AA5694 - Jul 15, 20:05 UTCJul 15, 21:45 UTC1h 40m - -
2026-07-14 A0ACF9 ORD → LGA Jul 14, 19:15 UTCJul 14, 21:00 UTC1h 45m - -
2026-07-13 AC0B7F ORD → LGA Jul 13, 19:33 UTCJul 13, 21:04 UTC1h 31m +33m +26m
2026-07-13 AC0B7F - Jul 13, 19:15 UTCJul 13, 21:05 UTC1h 50m - -
2026-07-12 AA9B82 ORD → LGA Jul 12, 19:33 UTCJul 12, 21:10 UTC1h 37m +33m -3m
2026-07-12 AA9B82 ORD → LGA Jul 12, 19:30 UTCJul 12, 21:10 UTC1h 40m - -
2026-07-11 A0ACFD ORD → LGA Jul 11, 19:40 UTCJul 11, 21:45 UTC2h 5m - -
2026-07-11 A0ACFD ORD → LGA Jul 11, 19:33 UTCJul 11, 21:28 UTC1h 55m +33m -10m
2026-07-10 A43E5C - Jul 10, 19:45 UTCJul 10, 21:35 UTC1h 50m - -
2026-07-09 A14AD1 ORD → LGA Jul 9, 20:50 UTCJul 9, 22:35 UTC1h 45m - -
2026-07-08 A3A086 ORD → LGA Jul 8, 19:59 UTCJul 8, 21:41 UTC1h 42m +59m +5m
2026-07-08 A3A086 ORD → LGA Jul 8, 19:55 UTCJul 8, 21:45 UTC1h 50m - -
2026-07-07 AAA5AE - Jul 7, 19:20 UTCJul 7, 21:00 UTC1h 40m - -
2026-07-06 AA7E7A ORD → LGA Jul 6, 21:48 UTCJul 6, 23:25 UTC1h 37m +168m +133m
2026-07-06 AA7E7A ORD → LGA Jul 6, 21:55 UTCJul 6, 23:25 UTC1h 30m - -
2026-07-05 A3EF1B ORD → LGA Jul 5, 19:55 UTCJul 5, 21:45 UTC1h 50m - -
2026-07-04 AA7E56 ORD → LGA Jul 4, 19:33 UTCJul 4, 21:15 UTC1h 42m +33m +2m
2026-07-04 AA7E56 ORD → LGA Jul 4, 19:40 UTCJul 4, 21:20 UTC1h 40m - -
2026-07-03 AA56D8 ORD → LGA Jul 3, 20:30 UTCJul 3, 22:15 UTC1h 45m - -
2026-07-03 AA56D8 ORD → LGA Jul 3, 19:58 UTCJul 3, 22:13 UTC2h 15m +58m +29m

Performance history

Flights tracked
127 showing last 30
Avg arrival delay
+26m
On-time arrival
57% 57% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 33
June 2026 39
May 2026 34
April 2026 21

UAL1821 frequently asked

Where does flight UAL1821 fly?
UAL1821 (UAL) flies from ORD to LGA. View the full route page.
How long is flight UAL1821?
Based on observed flights, UAL1821 takes on average 1h 41m from takeoff to landing.
How often does UAL1821 fly?
UAL1821 has been observed flying several times a week in our tracking data. We've recorded 127 flights under this callsign.
Is flight UAL1821 usually on time?
Across recent flights, UAL1821 arrives with an average 26-minute delay. 57% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1821?
UAL1821 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1821 live?
Yes. When UAL1821 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.