Apparatus

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flight_takeoff Flight

UAL1840

Operated by UAL

Live map

Live map filtered to UAL1840. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
SLC ORD Apr 15, 02:15 AM UTC Apr 15, 04:37 AM UTC PLANNED

Route airports View route page →

Departure

SLC KSLC VFR

Salt Lake City International Airport

Salt Lake City, US

Local time
19:57 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
4,227 ft
Coordinates
40.7889, -111.9799

cloud Weather

Wind
340° / 4 kt
Visibility
10 SM
Ceiling
FEW 6,000 ft, FEW 8,000 ft
Temp / Dew
14°C / -4°C
Altimeter
29.99 inHg

Obs: 2026-04-15T00:54:00.000Z

Raw METAR / TAF 
METAR KSLC 150054Z 34004KT 10SM FEW060 FEW080 14/M04 A2999 RMK AO2 SLP138 T01391039 $

TAF KSLC 142330Z 1500/1606 28006KT P6SM SCT070 FM150230 15007KT P6SM FEW080 FM151600 17012G20KT P6SM SCT120 BKN250 FM152000 28015G25KT P6SM BKN120 FM160300 17012G22KT P6SM BKN100

flight Live Traffic

flight_takeoff 124 Departures
flight_land 155 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
20:57 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
200° / 11G23 kt
Visibility
10 SM
Ceiling
FEW 4,400 ft, BKN 15,000 ft, OVC 25,000 ft
Temp / Dew
26°C / 18°C
Altimeter
29.66 inHg

Obs: 2026-04-15T01:51:00.000Z

Raw METAR / TAF 
METAR KORD 150151Z 20011G23KT 10SM FEW044 BKN150 OVC250 26/18 A2966 RMK AO2 SLP040 CONS LTGICCCCA DSNT NW-N CB DSNT NW-N MOV E T02610183

TAF KORD 142320Z 1500/1606 20017G28KT P6SM SCT035 BKN045 FM150300 19016G26KT 6SM -TSRA SCT035 BKN040CB TEMPO 1503/1505 29025G38KT 1 1/2SM +TSRA BR BKN030CB FM150500 19013KT 6SM -SHRA VCTS SCT025 BKN035CB OVC070 PROB30 1505/1508 2SM TSRA BKN025CB FM151000 24010KT 6SM -SHRA SCT020 OVC060 FM151400 21013G23KT P6SM SCT025 BKN040 FM152100 19012G22KT 6SM -SHRA VCTS SCT025 BKN040CB PROB30 1522/1602 2SM -TSRA BR OVC030CB

flight Live Traffic

flight_takeoff 520 Departures
flight_land 435 Arrivals

Recent history last 3

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AA5694 EWR → ORD Apr 13, 19:50 UTCApr 13, 20:10 UTC20m - -
2026-04-13 ABB089 EWR → ORD Apr 13, 00:20 UTCApr 13, 01:30 UTC1h 10m - -
2026-04-12 ABB089 EWR → ORD Apr 12, 23:55 UTCApr 13, 01:30 UTC1h 35m - -

Performance history

Flights tracked
3
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 3

UAL1840 frequently asked

Where does flight UAL1840 fly?
UAL1840 (UAL) flies from SLC to ORD. View the full route page.
How long is flight UAL1840?
Based on observed flights, UAL1840 takes on average 1h 2m from takeoff to landing.
How often does UAL1840 fly?
UAL1840 has been observed flying occasionally in our tracking data. We've recorded 3 flights under this callsign.
What aircraft operates flight UAL1840?
UAL1840 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1840 live?
Yes. When UAL1840 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.