Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1873

Operated by United Airlines

Live map

Live map filtered to UAL1873. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
19:50 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
200° / 9 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
28°C / 16°C
Altimeter
29.74 inHg

Obs: 2026-10-12T23:51:00.000Z

Raw METAR / TAF 
METAR KORD 122351Z 20009KT 10SM BKN250 28/16 A2974 RMK AO2 SLP065 T02830156 10311 20283 57002 $

TAF KORD 122326Z 1300/1406 21012KT P6SM SCT200 FM130300 23011KT P6SM SCT150 WS015/26045KT FM131000 27010KT P6SM FEW020 SCT100 FM140000 05006KT P6SM FEW025 SCT040 BKN090

flight Live Traffic

flight_takeoff 408 Departures
flight_land 425 Arrivals

Arrival

MSN KMSN VFR

Dane County Regional Truax Field

Madison, US

Local time
19:50 CDT
Timezone
America/Chicago
Type
Medium Airport
Elevation
887 ft
Coordinates
43.1399, -89.3375

cloud Weather

Wind
200° / 9 kt
Visibility
10 SM
Ceiling
BKN 16,000 ft
Temp / Dew
27°C / 17°C
Altimeter
29.66 inHg

Obs: 2026-10-12T23:53:00.000Z

Raw METAR / TAF 
METAR KMSN 122353Z 20009KT 10SM BKN160 27/17 A2966 RMK AO2 SLP036 T02720172 10294 20272 58012 $

TAF KMSN 122320Z 1300/1324 21009KT P6SM SCT250 WS020/23045KT FM130800 26010G19KT P6SM FEW250 FM131400 30010KT P6SM SKC

flight Live Traffic

flight_takeoff 33 Departures
flight_land 24 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AA7F09 ORD → MSN Jul 26, 16:15 UTCJul 26, 20:10 UTC3h 55m - -
2026-07-25 A449A1 ORD → MSN Jul 25, 16:25 UTCJul 25, 20:25 UTC4h 0m - -
2026-07-24 A44984 PHX → IAD Jul 24, 16:40 UTCJul 24, 20:35 UTC3h 55m - -
2026-07-24 A44984 PHX → IAD Jul 24, 16:28 UTCJul 24, 20:32 UTC4h 4m +38m -2m
2026-07-23 A44984 - Jul 23, 16:10 UTCJul 23, 20:10 UTC4h 0m - -
2026-07-21 A12AC9 PHX → IAD Jul 21, 17:15 UTCJul 21, 21:05 UTC3h 50m - -
2026-07-20 A448F2 - Jul 20, 16:20 UTCJul 20, 20:25 UTC4h 5m - -
2026-07-20 A448F2 PHX → IAD Jul 20, 16:03 UTCJul 20, 20:23 UTC4h 20m +13m -15m
2026-07-19 A4491A PHX → IAD Jul 19, 16:10 UTCJul 19, 20:20 UTC4h 10m - -
2026-07-18 A448F6 - Jul 18, 16:10 UTCJul 18, 21:10 UTC5h 0m - -
2026-07-17 A12A9D - Jul 17, 16:15 UTCJul 17, 20:25 UTC4h 10m - -
2026-07-16 A5D668 - Jul 16, 16:25 UTCJul 16, 20:35 UTC4h 10m - -
2026-07-15 A5D643 - Jul 15, 16:15 UTCJul 15, 20:20 UTC4h 5m - -
2026-07-14 A12B4C - Jul 14, 16:15 UTCJul 14, 20:20 UTC4h 5m - -
2026-07-13 A44918 - Jul 13, 16:15 UTCJul 13, 20:15 UTC4h 0m - -
2026-07-12 A5D2F9 PHX → IAD Jul 12, 16:15 UTCJul 12, 20:20 UTC4h 5m - -
2026-07-11 A44918 - Jul 11, 16:15 UTCJul 11, 20:00 UTC3h 45m - -
2026-07-11 A44918 PHX → IAD Jul 11, 16:03 UTCJul 11, 20:16 UTC4h 13m +13m -1m
2026-07-10 A12B0E - Jul 10, 16:20 UTCJul 10, 20:15 UTC3h 55m - -
2026-07-09 A445A9 - Jul 9, 16:20 UTCJul 9, 20:20 UTC4h 0m - -
2026-07-08 AD953C ORD → MSN Jul 8, 16:05 UTCJul 8, 20:15 UTC4h 10m - -
2026-07-07 A4493F ORD → MSN Jul 7, 16:20 UTCJul 7, 20:20 UTC4h 0m - -
2026-07-06 A12AA5 ORD → MSN Jul 6, 16:20 UTCJul 6, 20:15 UTC3h 55m - -
2026-07-05 A448F2 ORD → MSN Jul 5, 16:15 UTCJul 5, 20:10 UTC3h 55m - -
2026-07-04 A44918 ORD → MSN Jul 4, 16:15 UTCJul 4, 20:05 UTC3h 50m - -
2026-07-03 A2BBF2 ORD → MSN Jul 3, 16:10 UTCJul 3, 20:05 UTC3h 55m - -
2026-07-02 A12AA5 ORD → MSN Jul 2, 16:20 UTCJul 2, 20:15 UTC3h 55m - -
2026-07-02 A12AA5 ORD → MSN Jul 2, 16:03 UTCJul 2, 20:16 UTC4h 13m +13m +3m
2026-07-01 A2BBC6 ORD → MSN Jul 1, 16:15 UTCJul 1, 20:05 UTC3h 50m - -
2026-06-30 A12AA4 ORD → MSN Jun 30, 16:03 UTCJun 30, 19:49 UTC3h 46m +13m -21m

Performance history

Flights tracked
148 showing last 30
Avg arrival delay
-7m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 29
June 2026 36
May 2026 40
April 2026 43

UAL1873 frequently asked

Where does flight UAL1873 fly?
UAL1873 (United Airlines) flies from ORD to MSN. View the full route page.
How long is flight UAL1873?
Based on observed flights, UAL1873 takes on average 4h 3m from takeoff to landing.
How often does UAL1873 fly?
UAL1873 has been observed flying daily in our tracking data. We've recorded 148 flights under this callsign.
Is flight UAL1873 usually on time?
Across recent flights, UAL1873 arrives 7 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1873?
UAL1873 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1873 live?
Yes. When UAL1873 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.