Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2129

Operated by United Airlines

Live map

Live map filtered to UAL2129. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SAN KSAN VFR

San Diego International Airport

San Diego, US

Local time
12:52 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
17 ft
Coordinates
32.7336, -117.1900

cloud Weather

Wind
170° / 10G19 kt
Visibility
10 SM
Ceiling
FEW 200 ft, FEW 400 ft, SCT 20,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.90 inHg

Obs: 2026-08-28T18:51:00.000Z

Raw METAR / TAF 
METAR KSAN 281851Z 17010G19KT 10SM FEW002 FEW004 SCT200 28/22 A2990 RMK AO2 SLP126 T02780217

TAF KSAN 281902Z 2819/2924 20010KT P6SM VCFG FEW003 SCT200 FM290300 VRB04KT P6SM FEW006 TEMPO 2908/2912 BKN006 FM291200 VRB04KT P6SM BKN006 FM291600 VRB04KT P6SM FEW008 FM291900 28009KT P6SM SKC

warning FAA Advisories

  • Ground Delay: airport volume (avg 26 minutes)

flight Live Traffic

flight_takeoff 54 Departures
flight_land 56 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
15:52 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
320° / 6 kt
Visibility
10 SM
Ceiling
SCT 4,000 ft, SCT 25,000 ft
Temp / Dew
29°C / 19°C
Altimeter
30.02 inHg

Obs: 2026-08-28T18:52:00.000Z

Raw METAR / TAF 
METAR KIAD 281852Z 32006KT 10SM SCT040TCU SCT250 29/19 A3002 RMK AO2 SLP162 TCU N T02890194

TAF KIAD 281742Z 2818/2924 36008KT P6SM FEW025 SCT110 BKN250 FM281900 35007KT P6SM SCT025 SCT100 FM290600 35005KT P6SM SCT070

flight Live Traffic

flight_takeoff 40 Departures
flight_land 100 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A49510 SAN → IAD Jul 26, 05:25 UTCJul 26, 09:50 UTC4h 26m - -
2026-07-25 A43E5C SAN → IAD Jul 25, 05:25 UTCJul 25, 09:45 UTC4h 20m - -
2026-07-24 AA2BA1 SAN → IAD Jul 24, 05:15 UTCJul 24, 09:35 UTC4h 20m - -
2026-07-23 A3CF6D SAN → IAD Jul 23, 05:16 UTCJul 23, 09:35 UTC4h 19m +17m -24m
2026-07-23 A3CF6D SAN → IAD Jul 23, 05:20 UTCJul 23, 09:40 UTC4h 20m - -
2026-07-22 A448D3 SAN → IAD Jul 22, 04:55 UTCJul 22, 05:25 UTC30m - -
2026-07-21 A94B05 SAN → IAD Jul 21, 06:00 UTCJul 21, 10:30 UTC4h 30m - -
2026-07-20 A94AE3 SAN → IAD Jul 20, 06:05 UTCJul 20, 10:35 UTC4h 30m - -
2026-07-19 A837A7 - Jul 19, 05:30 UTCJul 19, 10:00 UTC4h 30m - -
2026-07-19 A837A7 SAN → IAD Jul 19, 05:16 UTCJul 19, 10:01 UTC4h 45m +17m -3m
2026-07-18 AA4C87 - Jul 18, 05:15 UTCJul 18, 09:40 UTC4h 25m - -
2026-07-17 A9DCE9 - Jul 17, 05:55 UTCJul 17, 10:20 UTC4h 25m - -
2026-07-16 A46D4E - Jul 16, 05:50 UTCJul 16, 10:25 UTC4h 35m - -
2026-07-15 A12AC5 - Jul 15, 05:25 UTCJul 15, 10:05 UTC4h 40m - -
2026-07-14 A8D46A SAN → IAD Jul 14, 05:35 UTCJul 14, 10:10 UTC4h 35m - -
2026-07-13 A41E2C - Jul 13, 06:10 UTCJul 13, 10:55 UTC4h 45m - -
2026-07-12 A12A81 - Jul 12, 05:25 UTCJul 12, 09:55 UTC4h 30m - -
2026-07-12 A12A81 SAN → IAD Jul 12, 05:16 UTCJul 12, 09:52 UTC4h 36m +17m -11m
2026-07-11 AA7E7C - Jul 11, 05:05 UTCJul 11, 09:25 UTC4h 20m - -
2026-07-10 A46D95 SAN → IAD Jul 10, 05:10 UTCJul 10, 09:35 UTC4h 25m - -
2026-07-09 A94B08 SAN → IAD Jul 9, 05:05 UTCJul 9, 09:35 UTC4h 30m - -
2026-07-08 A2B83B - Jul 8, 05:05 UTCJul 8, 09:30 UTC4h 25m - -
2026-07-07 A94B50 - Jul 7, 05:30 UTCJul 7, 09:55 UTC4h 25m - -
2026-07-06 A4943E - Jul 6, 06:30 UTCJul 6, 10:55 UTC4h 25m - -
2026-07-06 A4943E SAN → IAD Jul 6, 06:09 UTCJul 6, 10:57 UTC4h 48m +70m -14m
2026-07-05 A44981 - Jul 5, 05:10 UTCJul 5, 09:45 UTC4h 35m - -
2026-07-04 A43E5B - Jul 4, 05:05 UTCJul 4, 09:25 UTC4h 20m - -
2026-07-03 A8FC73 - Jul 3, 05:25 UTCJul 3, 09:50 UTC4h 25m - -
2026-07-02 A5D2F9 - Jul 2, 05:50 UTCJul 2, 10:10 UTC4h 20m - -
2026-07-01 A5D2D4 - Jul 1, 05:10 UTCJul 1, 09:25 UTC4h 15m - -

Performance history

Flights tracked
127 showing last 30
Avg arrival delay
-13m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 33
May 2026 34
April 2026 29

UAL2129 frequently asked

Where does flight UAL2129 fly?
UAL2129 (United Airlines) flies from SAN to IAD. View the full route page.
How long is flight UAL2129?
Based on observed flights, UAL2129 takes on average 4h 20m from takeoff to landing.
How often does UAL2129 fly?
UAL2129 has been observed flying daily in our tracking data. We've recorded 127 flights under this callsign.
Is flight UAL2129 usually on time?
Across recent flights, UAL2129 arrives 13 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2129?
UAL2129 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2129 live?
Yes. When UAL2129 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.