Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1940

Operated by United Airlines

Live map

Live map filtered to UAL1940. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
02:25 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
30° / 5 kt
Visibility
10 SM
Ceiling
BKN 16,000 ft
Temp / Dew
22°C / 21°C
Altimeter
29.97 inHg

Obs: 2026-08-28T05:52:00.000Z

Raw METAR / TAF 
METAR KIAD 280552Z 03005KT 10SM BKN160 22/21 A2997 RMK AO2 SLP144 60001 T02220206 10272 20222 53005

TAF KIAD 280529Z 2806/2912 00000KT P6SM BKN060 FM281200 33005KT P6SM BKN060 FM281700 36007KT P6SM BKN060 FM290000 02005KT P6SM SCT070 FM290600 35007KT P6SM FEW070

flight Live Traffic

flight_takeoff 95 Departures
flight_land 33 Arrivals

Arrival

ATL KATL VFR

Hartsfield Jackson Atlanta International Airport

Atlanta, US

Local time
02:25 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
1,026 ft
Coordinates
33.6367, -84.4281

cloud Weather

Wind
150° / 5 kt
Visibility
10 SM
Ceiling
SCT 4,700 ft, SCT 20,000 ft, BKN 24,000 ft
Temp / Dew
24°C / 22°C
Altimeter
30.01 inHg

Obs: 2026-08-28T05:52:00.000Z

Raw METAR / TAF 
METAR KATL 280552Z 15005KT 10SM SCT047 SCT200 BKN240 24/22 A3001 RMK AO2 SLP150 T02390217 10294 20239 50004 $

TAF KATL 280547Z 2806/2912 19003KT P6SM SCT060 BKN120 FM280900 23003KT P6SM SCT007 SCT015 BKN120 TEMPO 2810/2813 1SM BR BKN006 FM281500 32004KT P6SM SCT025 FM281800 33005KT P6SM VCSH SCT040 PROB30 2820/2902 VRB10G20KT 4SM -TSRA BKN025CB FM290400 VRB03KT P6SM SCT050 BKN200

flight Live Traffic

flight_takeoff 135 Departures
flight_land 69 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0B849 IAD → ATL Jul 26, 17:30 UTCJul 26, 19:25 UTC1h 55m - -
2026-07-25 A24573 IAD → ATL Jul 25, 17:50 UTCJul 25, 19:45 UTC1h 55m - -
2026-07-24 A0B7D9 IAD → ATL Jul 24, 17:55 UTCJul 24, 19:45 UTC1h 50m - -
2026-07-23 A6ED61 IAD → ATL Jul 23, 18:10 UTCJul 23, 20:10 UTC2h 0m - -
2026-07-22 A0B841 IAD → ATL Jul 22, 17:55 UTCJul 22, 20:00 UTC2h 5m - -
2026-07-21 A2452A IAD → ATL Jul 21, 17:55 UTCJul 21, 19:45 UTC1h 50m - -
2026-07-20 AD22E1 DEN → SAN Jul 20, 18:05 UTCJul 20, 19:55 UTC1h 50m - -
2026-07-20 AD22E1 DEN → SAN Jul 20, 17:51 UTCJul 20, 19:50 UTC1h 59m +36m -4m
2026-07-19 A6EDC3 DEN → SAN Jul 19, 17:40 UTCJul 19, 19:25 UTC1h 45m - -
2026-07-18 A24591 DEN → SAN Jul 18, 18:05 UTCJul 18, 19:50 UTC1h 45m - -
2026-07-17 A0B866 DEN → SAN Jul 17, 17:44 UTCJul 17, 19:35 UTC1h 50m - -
2026-07-16 A0B821 DEN → SAN Jul 16, 18:00 UTCJul 16, 19:55 UTC1h 55m - -
2026-07-15 A3D2E5 DEN → SAN Jul 15, 17:37 UTCJul 15, 19:27 UTC1h 50m +22m -2m
2026-07-15 A3D2E5 DEN → SAN Jul 15, 17:40 UTCJul 15, 19:30 UTC1h 50m - -
2026-07-14 A24591 DEN → SAN Jul 14, 17:45 UTCJul 14, 19:40 UTC1h 55m - -
2026-07-13 A6EDE5 DEN → SAN Jul 13, 17:25 UTCJul 13, 19:15 UTC1h 50m - -
2026-07-12 A0B7B6 DEN → SAN Jul 12, 17:35 UTCJul 12, 19:25 UTC1h 50m - -
2026-07-11 A0B88C DEN → SAN Jul 11, 17:30 UTCJul 11, 19:25 UTC1h 55m - -
2026-07-10 A3D302 DEN → SAN Jul 10, 17:50 UTCJul 10, 19:55 UTC2h 5m - -
2026-07-09 A0B848 DEN → SAN Jul 9, 17:30 UTCJul 9, 19:25 UTC1h 55m - -
2026-07-08 A0B845 - Jul 8, 17:30 UTCJul 8, 19:25 UTC1h 55m - -
2026-07-07 A2452C - Jul 7, 17:45 UTCJul 7, 19:40 UTC1h 55m - -
2026-07-06 A0B7DE - Jul 6, 17:40 UTCJul 6, 19:40 UTC2h 0m - -
2026-07-05 A0B802 - Jul 5, 18:20 UTCJul 5, 18:30 UTC10m - -
2026-07-05 A0B802 DEN → SAN Jul 5, 18:14 UTCJul 5, 20:13 UTC1h 59m +59m -8m
2026-07-04 A0B7D8 DEN → SAN Jul 4, 17:37 UTCJul 4, 19:26 UTC1h 49m +22m -9m
2026-07-04 A0B7D8 - Jul 4, 17:35 UTCJul 4, 19:30 UTC1h 55m - -
2026-07-03 A0B7B7 DEN → SAN Jul 3, 17:52 UTCJul 3, 19:53 UTC2h 1m +37m +18m
2026-07-03 A0B7B7 - Jul 3, 17:55 UTCJul 3, 20:05 UTC2h 10m - -
2026-07-02 A0B7FD DEN → SAN Jul 2, 17:37 UTCJul 2, 19:23 UTC1h 46m +22m +2m

Performance history

Flights tracked
157 showing last 30
Avg arrival delay
on time
On-time arrival
83% 83% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 32
June 2026 54
May 2026 45
April 2026 26

UAL1940 frequently asked

Where does flight UAL1940 fly?
UAL1940 (United Airlines) flies from IAD to ATL. View the full route page.
How long is flight UAL1940?
Based on observed flights, UAL1940 takes on average 1h 51m from takeoff to landing.
How often does UAL1940 fly?
UAL1940 has been observed flying daily in our tracking data. We've recorded 157 flights under this callsign.
Is flight UAL1940 usually on time?
Across recent flights, UAL1940 arrives 0 minutes early on average. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1940?
UAL1940 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1940 live?
Yes. When UAL1940 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.