Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3857

Operated by United Airlines

Live map

Live map filtered to UAL3857. Shown when the flight is currently airborne.

Route airports View route page →

Departure

NCE LFMN VFR

Nice-Côte d'Azur Airport

Nice, Alpes-Maritimes, FR

Local time
15:42 GMT+2
Timezone
Europe/Paris
Type
Large Airport
Elevation
12 ft
Coordinates
43.6584, 7.2159

cloud Weather

Wind
150° / 8 kt
Visibility
6 SM
Ceiling
FEW 3,300 ft
Temp / Dew
24°C / 13°C
Altimeter
29.97 inHg

Obs: 2026-10-12T13:30:00.000Z

Raw METAR / TAF 
METAR LFMN 121330Z 15008KT 9999 FEW033 24/13 Q1015 NOSIG

TAF LFMN 120800Z 1209/1315 33010KT 9999 FEW030 BECMG 1209/1211 18010KT CAVOK BECMG 1219/1221 33010KT

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
08:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
210° / 10 kt
Visibility
10 SM
Ceiling
FEW 18,000 ft, SCT 25,000 ft
Temp / Dew
18°C / 14°C
Altimeter
29.88 inHg

Obs: 2026-10-12T12:51:00.000Z

Raw METAR / TAF 
METAR KORD 121251Z 21010KT 10SM FEW180 SCT250 18/14 A2988 RMK AO2 SLP116 T01830139 $

TAF KORD 121120Z 1212/1318 20008KT P6SM BKN250 FM121700 21013G24KT P6SM FEW250 FM122300 21012KT P6SM FEW120 FM130300 23011KT P6SM FEW100 WS015/27045KT FM131000 26010KT P6SM FEW200

flight Live Traffic

flight_takeoff 364 Departures
flight_land 595 Arrivals

Recent history last 8

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-16 A05DDC NCE → ORD Jul 16, 21:30 UTCJul 17, 01:09 UTC3h 40m - -
2026-06-30 A4943E - Jun 30, 20:50 UTCJul 1, 01:10 UTC4h 20m - -
2026-06-18 AC0B80 NCE → ORD Jun 18, 23:55 UTCJun 19, 02:29 UTC2h 34m - -
2026-06-18 AC0B80 NCE → ORD Jun 18, 23:34 UTCJun 19, 02:23 UTC2h 49m +79m -2m
2026-05-28 A895EB NCE → ORD May 28, 17:06 UTCMay 28, 18:22 UTC1h 16m -234m +1m
2026-05-28 A895EB NCE → ORD May 28, 16:45 UTCMay 28, 18:30 UTC1h 45m - -
2026-05-01 AA2BA5 NCE → ORD May 1, 13:55 UTCMay 1, 15:50 UTC1h 55m - -
2026-04-24 A54299 NCE → ORD Apr 24, 19:40 UTCApr 24, 20:15 UTC35m - -

Performance history

Flights tracked
8
Avg arrival delay
on time
On-time arrival
100% 100% on time
Aircraft used
6

Monthly activity 4 months

Month Flights tracked
July 2026 1
June 2026 3
May 2026 3
April 2026 1

UAL3857 frequently asked

Where does flight UAL3857 fly?
UAL3857 (United Airlines) flies from NCE to ORD. View the full route page.
How long is flight UAL3857?
Based on observed flights, UAL3857 takes on average 2h 22m from takeoff to landing.
How often does UAL3857 fly?
UAL3857 has been observed flying several times a week in our tracking data. We've recorded 8 flights under this callsign.
Is flight UAL3857 usually on time?
Across recent flights, UAL3857 arrives 0 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3857?
UAL3857 has been operated by 6 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3857 live?
Yes. When UAL3857 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.