Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1521

Operated by United Airlines

Live map

Live map filtered to UAL1521. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
02:31 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

MSY KMSY VFR

Louis Armstrong New Orleans International Airport

New Orleans, US

Local time
01:31 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
4 ft
Coordinates
29.9934, -90.2647

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
SCT 4,300 ft, SCT 25,000 ft
Temp / Dew
25°C / 24°C
Altimeter
29.99 inHg

Obs: 2026-08-28T05:53:00.000Z

Raw METAR / TAF 
METAR KMSY 280553Z 24005KT 10SM SCT043 SCT250 25/24 A2999 RMK AO2 SLP159 60000 T02500239 10294 20250 403060228 51008

TAF KMSY 280520Z 2806/2912 00000KT P6SM FEW020 BKN045 BKN250

flight Live Traffic

flight_takeoff 10 Departures
flight_land 13 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AB3DC3 IAD → MSY Jul 26, 14:25 UTCJul 26, 15:55 UTC1h 30m - -
2026-07-26 AB3DC3 IAD → MSY Jul 26, 14:32 UTCJul 26, 15:51 UTC1h 19m +18m +12m
2026-07-25 AB5DD4 IAD → MSY Jul 25, 14:35 UTCJul 25, 16:00 UTC1h 25m - -
2026-07-24 A59197 IAD → MSY Jul 24, 14:45 UTCJul 24, 16:10 UTC1h 25m - -
2026-07-23 AC234F IAD → MSY Jul 23, 16:05 UTCJul 23, 17:40 UTC1h 35m - -
2026-07-23 AC234F IAD → MSY Jul 23, 16:08 UTCJul 23, 17:35 UTC1h 27m +114m +1m
2026-07-22 AB8553 IAD → MSY Jul 22, 14:20 UTCJul 22, 16:00 UTC1h 40m - -
2026-07-21 AAEEC5 IAD → MSY Jul 21, 14:50 UTCJul 21, 16:15 UTC1h 25m - -
2026-07-20 AC55F3 IAD → MSY Jul 20, 14:20 UTCJul 20, 15:50 UTC1h 30m - -
2026-07-19 AAEEC5 IAD → MSY Jul 19, 14:35 UTCJul 19, 15:55 UTC1h 20m - -
2026-07-18 AB5056 IAD → MSY Jul 18, 14:30 UTCJul 18, 15:50 UTC1h 20m - -
2026-07-17 AB2520 IAD → MSY Jul 17, 14:39 UTCJul 17, 16:00 UTC1h 20m - -
2026-07-16 ABB089 DSM → DEN Jul 16, 14:40 UTCJul 16, 16:05 UTC1h 25m - -
2026-07-15 AAF9EA - Jul 15, 14:40 UTCJul 15, 16:05 UTC1h 25m - -
2026-07-14 AB97E6 DSM → DEN Jul 14, 14:35 UTCJul 14, 16:00 UTC1h 25m - -
2026-07-13 AC4E85 - Jul 13, 14:25 UTCJul 13, 15:40 UTC1h 15m - -
2026-07-12 AC59AA - Jul 12, 14:40 UTCJul 12, 16:05 UTC1h 25m - -
2026-07-11 AC59AA - Jul 11, 14:40 UTCJul 11, 16:05 UTC1h 25m - -
2026-07-11 AC59AA DSM → DEN Jul 11, 14:32 UTCJul 11, 16:04 UTC1h 32m +18m +2m
2026-07-10 AC5D61 - Jul 10, 14:25 UTCJul 10, 15:55 UTC1h 30m - -
2026-07-10 AC5D61 DSM → DEN Jul 10, 14:32 UTCJul 10, 15:49 UTC1h 17m +18m -8m
2026-07-09 AC59AA - Jul 9, 14:40 UTCJul 9, 16:10 UTC1h 30m - -
2026-07-08 AB819C - Jul 8, 14:35 UTCJul 8, 16:05 UTC1h 30m - -
2026-07-07 AC4ACE - Jul 7, 14:45 UTCJul 7, 16:10 UTC1h 25m - -
2026-07-07 AC4ACE DSM → DEN Jul 7, 14:32 UTCJul 7, 16:05 UTC1h 33m +18m -10m
2026-07-06 AC2ABD - Jul 6, 14:35 UTCJul 6, 16:05 UTC1h 30m - -
2026-07-05 AB9078 - Jul 5, 14:40 UTCJul 5, 16:05 UTC1h 25m - -
2026-07-05 AB9078 DSM → DEN Jul 5, 14:32 UTCJul 5, 15:56 UTC1h 24m +18m -5m
2026-07-04 AC5D61 - Jul 4, 14:30 UTCJul 4, 16:00 UTC1h 30m - -
2026-07-03 AB2520 - Jul 3, 14:50 UTCJul 3, 16:25 UTC1h 35m - -

Performance history

Flights tracked
129 showing last 30
Avg arrival delay
-1m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 4 months

Month Flights tracked
July 2026 32
June 2026 37
May 2026 37
April 2026 23

UAL1521 frequently asked

Where does flight UAL1521 fly?
UAL1521 (United Airlines) flies from IAD to MSY. View the full route page.
How long is flight UAL1521?
Based on observed flights, UAL1521 takes on average 1h 27m from takeoff to landing.
How often does UAL1521 fly?
UAL1521 has been observed flying several times a week in our tracking data. We've recorded 129 flights under this callsign.
Is flight UAL1521 usually on time?
Across recent flights, UAL1521 arrives 1 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1521?
UAL1521 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1521 live?
Yes. When UAL1521 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.