Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3820

Operated by United Airlines

Live map

Live map filtered to UAL3820. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PAE KPAE

Seattle Paine Field International Airport

Everett, US

Local time
00:42 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
606 ft
Coordinates
47.9063, -122.2820

flight Live Traffic

flight_takeoff 5 Departures
flight_land 2 Arrivals

schedule Forecast (TAF) 

TAF KPAE 200520Z 2006/2106 34006KT P6SM SCT200 FM201800 33006KT P6SM FEW200 FM210200 VRB03KT P6SM SKC

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
02:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
360° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
8°C / 6°C
Altimeter
30.36 inHg

Obs: 2026-10-20T06:51:00.000Z

Raw METAR / TAF 
METAR KORD 200651Z 36005KT 10SM CLR 08/06 A3036 RMK AO2 SLP283 T00780061 $

TAF KORD 200530Z 2006/2112 VRB03KT P6SM FEW300 FM200900 VRB03KT 4SM BR FEW300 TEMPO 2010/2013 1 1/2SM BR SCT003 FM201300 08006KT P6SM FEW300

flight Live Traffic

flight_takeoff 157 Departures
flight_land 189 Arrivals

Recent history last 7

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-09 A12B4D PAE → ORD Jul 9, 16:13 UTCJul 9, 19:19 UTC3h 6m +13m -8m
2026-07-09 A12B4D PAE → ORD Jul 9, 16:10 UTCJul 9, 19:55 UTC3h 45m - -
2026-06-04 AC0831 PAE → ORD Jun 4, 16:25 UTCJun 4, 19:50 UTC3h 25m - -
2026-06-04 AC0831 PAE → ORD Jun 4, 16:22 UTCJun 4, 19:38 UTC3h 16m +22m -7m
2026-05-16 A12B2D PAE → ORD May 16, 19:30 UTCMay 16, 19:40 UTC10m - -
2026-05-16 A12B2D PAE → ORD May 16, 16:15 UTCMay 16, 19:40 UTC3h 25m - -
2026-05-16 A12B2D PAE → ORD May 16, 16:22 UTCMay 16, 19:13 UTC2h 51m +22m -13m

Performance history

Flights tracked
7
Avg arrival delay
-9m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 3 months

Month Flights tracked
July 2026 2
June 2026 2
May 2026 3

UAL3820 frequently asked

Where does flight UAL3820 fly?
UAL3820 (United Airlines) flies from PAE to ORD. View the full route page.
How long is flight UAL3820?
Based on observed flights, UAL3820 takes on average 2h 51m from takeoff to landing.
How often does UAL3820 fly?
UAL3820 has been observed flying occasionally in our tracking data. We've recorded 7 flights under this callsign.
Is flight UAL3820 usually on time?
Across recent flights, UAL3820 arrives 9 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3820?
UAL3820 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3820 live?
Yes. When UAL3820 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.