Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3859

Operated by United Airlines

Live map

Live map filtered to UAL3859. Shown when the flight is currently airborne.

Route airports View route page →

Departure

FCO LIRF VFR

Rome–Fiumicino Leonardo da Vinci International Airport

Rome, IT

Local time
04:43 GMT+2
Timezone
Europe/Rome
Type
Large Airport
Elevation
13 ft
Coordinates
41.8045, 12.2520

cloud Weather

Wind
340° / 2 kt
Visibility
6 SM
Ceiling
CAVOK
Temp / Dew
17°C / 16°C
Altimeter
30.09 inHg

Obs: 2026-06-08T02:20:00.000Z

Raw METAR / TAF 
METAR LIRF 080220Z 34002KT CAVOK 17/16 Q1019 NOSIG

TAF LIRF 072300Z 0800/0906 VRB05KT CAVOK BECMG 0808/0810 28012KT BECMG 0818/0820 VRB05KT

flight Live Traffic

flight_takeoff 5 Departures
flight_land 25 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
21:43 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
20° / 8 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft, FEW 7,500 ft, BKN 14,000 ft, BKN 19,000 ft
Temp / Dew
21°C / 13°C
Altimeter
29.95 inHg

Obs: 2026-06-08T01:51:00.000Z

Raw METAR / TAF 
METAR KORD 080151Z 02008KT 10SM FEW055 FEW075 BKN140 BKN190 OVC250 21/13 A2995 RMK AO2 RAE18 SLP138 P0000 T02110128 $

TAF KORD 080157Z 0802/0906 05008KT P6SM VCSH FEW035 BKN060 FM080800 11010KT P6SM BKN060 PROB30 0808/0811 3SM -TSRA BR SCT025 BKN060CB FM081700 16012G19KT P6SM VCSH SCT025 BKN060 PROB30 0819/0901 VRB15G25KT 2SM TSRA BR BKN025CB FM090100 17008KT P6SM VCSH BKN060

flight Live Traffic

flight_takeoff 562 Departures
flight_land 681 Arrivals

Recent history last 4

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A0BF26 FCO → ORD May 30, 18:45 UTCMay 30, 19:35 UTC50m - -
2026-05-03 A6E258 FCO → ORD May 3, 04:35 UTCMay 3, 05:35 UTC1h 0m - -
2026-05-03 A6E258 FCO → ORD May 3, 04:10 UTCMay 3, 05:24 UTC1h 14m +11m -14m
2026-04-26 A0B7BB FCO → ORD Apr 26, 14:40 UTCApr 26, 16:30 UTC1h 50m - -

Performance history

Flights tracked
4
Avg arrival delay
-14m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 2 months

Month Flights tracked
May 2026 3
April 2026 1

UAL3859 frequently asked

Where does flight UAL3859 fly?
UAL3859 (United Airlines) flies from FCO to ORD. View the full route page.
How long is flight UAL3859?
Based on observed flights, UAL3859 takes on average 1h 13m from takeoff to landing.
How often does UAL3859 fly?
UAL3859 has been observed flying occasionally in our tracking data. We've recorded 4 flights under this callsign.
Is flight UAL3859 usually on time?
Across recent flights, UAL3859 arrives 14 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3859?
UAL3859 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3859 live?
Yes. When UAL3859 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.