Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8123

Operated by UAL

Live map

Live map filtered to UAL8123. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
17:32 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
200° / 19G26 kt
Visibility
10 SM
Ceiling
FEW 11,000 ft
Temp / Dew
26°C / -1°C
Altimeter
29.79 inHg

Obs: 2026-10-12T22:53:00.000Z

Raw METAR / TAF 
METAR KDEN 122253Z 20019G26KT 10SM FEW110 26/M01 A2979 RMK AO2 PK WND 19027/2240 SLP007 T02611011

TAF KDEN 122055Z 1221/1324 20014G22KT P6SM FEW090 FEW130 TEMPO 1221/1222 14012G22KT FM130100 22012G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131000 34008KT P6SM BKN015 BKN030 FM131400 05007KT P6SM BKN010 BKN030 FM131700 07007KT P6SM SCT020 BKN040 FM132000 07010KT P6SM SCT090 SCT120

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 394 Departures
flight_land 368 Arrivals

Arrival

SAT KSAT VFR

San Antonio International Airport

San Antonio, US

Local time
18:32 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
140° / 11 kt
Visibility
10 SM
Ceiling
SCT 4,600 ft, BKN 6,500 ft, BKN 20,000 ft
Temp / Dew
32°C / 22°C
Altimeter
29.90 inHg

Obs: 2026-10-12T22:51:00.000Z

Raw METAR / TAF 
METAR KSAT 122251Z 14011KT 10SM SCT046 BKN065 BKN200 32/22 A2990 RMK AO2 SLP107 T03170217 $

TAF KSAT 122120Z 1221/1324 13011KT P6SM BKN040 BKN200 FM130000 14012KT P6SM SCT200 FM130600 16010KT P6SM OVC015 TEMPO 1309/1312 BKN008 FM131800 16012G22KT P6SM BKN040

flight Live Traffic

flight_takeoff 65 Departures
flight_land 52 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0B88D BOS → YUL Jul 26, 17:30 UTCJul 26, 19:40 UTC2h 10m - -
2026-07-25 AA7E79 BOS → YUL Jul 25, 17:30 UTCJul 25, 19:40 UTC2h 10m - -
2026-07-23 A94B50 BOS → YUL Jul 23, 00:15 UTCJul 23, 05:45 UTC5h 30m - -
2026-07-22 A94B50 BOS → YUL Jul 22, 23:57 UTCJul 23, 05:40 UTC5h 43m +178m -1m
2026-07-21 A46D4F BOS → YUL Jul 21, 23:35 UTCJul 22, 05:20 UTC5h 45m - -
2026-07-21 A43E5E BOS → YUL Jul 21, 01:10 UTCJul 21, 02:35 UTC1h 25m - -
2026-07-19 A582BB - Jul 19, 18:05 UTCJul 19, 20:40 UTC2h 35m - -
2026-07-19 A582BB ORD → BZN Jul 19, 18:14 UTCJul 19, 20:57 UTC2h 43m +29m -3m
2026-07-18 ABB440 DEN → BUR Jul 18, 17:45 UTCJul 18, 19:35 UTC1h 50m - -
2026-07-18 A39FB1 - Jul 18, 01:54 UTCJul 18, 03:35 UTC1h 41m - -
2026-07-16 A12734 LGA → IAH Jul 16, 14:38 UTCJul 16, 17:32 UTC2h 54m +23m -4m
2026-07-16 A12734 - Jul 16, 14:35 UTCJul 16, 17:35 UTC3h 0m - -
2026-07-14 A6045D IAH → AUS Jul 14, 15:30 UTCJul 14, 16:05 UTC35m - -
2026-07-14 A6045D IAH → AUS Jul 14, 15:39 UTCJul 14, 16:01 UTC22m +24m +10m
2026-07-14 AC0831 - Jul 14, 01:15 UTCJul 14, 03:05 UTC1h 50m - -
2026-07-13 A12F73 SFO → BOS Jul 13, 15:25 UTCJul 13, 20:50 UTC5h 25m - -
2026-07-13 A445A9 - Jul 13, 01:05 UTCJul 13, 03:10 UTC2h 5m - -
2026-07-10 A9D59A - Jul 10, 21:25 UTCJul 10, 22:40 UTC1h 15m - -
2026-07-10 A43EED - Jul 10, 04:55 UTCJul 10, 06:05 UTC1h 10m - -
2026-07-09 A12AC5 - Jul 9, 01:05 UTCJul 9, 03:35 UTC2h 30m - -
2026-07-09 A12AC5 IAH → MCO Jul 9, 01:08 UTCJul 9, 03:34 UTC2h 26m +18m +43m
2026-07-06 AB3655 SFO → CMH Jul 6, 19:00 UTCJul 6, 23:10 UTC4h 10m - -
2026-07-06 AB3655 SFO → CMH Jul 6, 18:56 UTCJul 6, 23:10 UTC4h 14m +86m +2m
2026-07-04 A46D95 - Jul 4, 20:05 UTCJul 4, 23:05 UTC3h 0m - -
2026-07-04 A46D95 RAP → ORD Jul 4, 20:02 UTCJul 4, 22:45 UTC2h 43m +27m +93m
2026-06-26 AB7067 DEN → SDF Jun 26, 01:10 UTCJun 26, 03:15 UTC2h 5m - -
2026-06-25 A44963 - Jun 25, 00:05 UTCJun 25, 00:24 UTC20m - -
2026-06-24 A44963 - Jun 24, 19:24 UTCJun 24, 19:59 UTC35m - -
2026-06-24 A44963 SFO → HNL Jun 24, 19:22 UTCJun 25, 00:30 UTC5h 8m +22m -8m
2026-06-24 A4495D - Jun 24, 01:09 UTCJun 24, 03:00 UTC1h 50m - -

Performance history

Flights tracked
75 showing last 30
Avg arrival delay
+17m
On-time arrival
75% 75% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 25
June 2026 22
May 2026 19
April 2026 9

UAL8123 frequently asked

Where does flight UAL8123 fly?
UAL8123 (UAL) flies from DEN to SAT. View the full route page.
How long is flight UAL8123?
Based on observed flights, UAL8123 takes on average 2h 38m from takeoff to landing.
How often does UAL8123 fly?
UAL8123 has been observed flying several times a week in our tracking data. We've recorded 75 flights under this callsign.
Is flight UAL8123 usually on time?
Across recent flights, UAL8123 arrives with an average 17-minute delay. 75% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8123?
UAL8123 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8123 live?
Yes. When UAL8123 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.