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
00:57 GMT+2
Timezone
Europe/Paris
Type
Large Airport
Elevation
12 ft
Coordinates
43.6584, 7.2159

cloud Weather

Wind
320° / 4 kt
Visibility
6 SM
Ceiling
FEW 1,000 ft, SCT 16,000 ft, BKN 20,000 ft
Temp / Dew
22°C / 19°C
Altimeter
30.06 inHg

Obs: 2026-05-28T22:30:00.000Z

Raw METAR / TAF 
METAR LFMN 282230Z 32004KT 300V010 9999 FEW010 SCT160 BKN200 22/19 Q1018 NOSIG

TAF LFMN 282000Z 2821/3003 09005KT CAVOK PROB40 TEMPO 2821/2905 33010KT BKN008 BECMG 2918/2920 33010KT

flight Live Traffic

flight_takeoff 0 Departures
flight_land 3 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
17:57 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
20° / 16 kt
Visibility
10 SM
Ceiling
BKN 30,000 ft
Temp / Dew
18°C / 6°C
Altimeter
30.16 inHg

Obs: 2026-05-28T22:51:00.000Z

Raw METAR / TAF 
METAR KORD 282251Z 02016KT 10SM BKN300 18/06 A3016 RMK AO2 SLP211 T01830061

TAF KORD 282037Z 2821/2924 04012KT P6SM FEW350 FM290100 VRB04KT P6SM SCT350 FM292000 05009KT P6SM BKN300

flight Live Traffic

flight_takeoff 486 Departures
flight_land 532 Arrivals

Recent history last 4

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
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
4
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 2 months

Month Flights tracked
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 1h 23m from takeoff to landing.
How often does UAL3857 fly?
UAL3857 has been observed flying occasionally in our tracking data. We've recorded 4 flights under this callsign.
Is flight UAL3857 usually on time?
Across recent flights, UAL3857 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3857?
UAL3857 has been operated by 3 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.