Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1421

Operated by United Airlines

Live map

Live map filtered to UAL1421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
22:05 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
180° / 6 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft, SCT 25,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.87 inHg

Obs: 2026-05-30T02:53:00.000Z

Raw METAR / TAF 
METAR KIAH 300253Z 18006KT 10SM FEW030 SCT250 28/22 A2987 RMK AO2 SLP114 T02780222 53010

TAF KIAH 292320Z 3000/3106 VRB05KT P6SM SCT050 BKN250 FM301100 VRB03KT P6SM SCT010 FM301500 21006KT P6SM FEW025 FM301800 17009KT P6SM SCT040 BKN250 FM310300 18006KT P6SM FEW030 BKN250

flight Live Traffic

flight_takeoff 297 Departures
flight_land 385 Arrivals

Arrival

BWI KBWI VFR

Baltimore/Washington International Thurgood Marshall Airport

Baltimore, US

Local time
23:05 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
146 ft
Coordinates
39.1754, -76.6683

cloud Weather

Wind
250° / 4 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
19°C / 11°C
Altimeter
29.82 inHg

Obs: 2026-05-30T02:54:00.000Z

Raw METAR / TAF 
METAR KBWI 300254Z 25004KT 10SM CLR 19/11 A2982 RMK AO2 SLP095 T01940111 53004

TAF KBWI 300258Z 3003/3106 25005KT P6SM FEW250 FM300800 33008G15KT P6SM FEW150 FM301300 35013G22KT P6SM FEW150 FM302200 36010G19KT P6SM FEW120

flight Live Traffic

flight_takeoff 112 Departures
flight_land 78 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A837A6 IAH → BWI May 29, 16:50 UTCMay 29, 18:45 UTC1h 55m - -
2026-05-29 A0B867 IAH → BWI May 29, 12:35 UTCMay 29, 15:05 UTC2h 30m - -
2026-05-28 A83781 IAH → BWI May 28, 16:25 UTCMay 28, 18:25 UTC2h 0m - -
2026-05-28 A0B7BB IAH → BWI May 28, 12:30 UTCMay 28, 15:05 UTC2h 35m - -
2026-05-27 A836FB IAH → BWI May 27, 16:35 UTCMay 27, 18:50 UTC2h 15m - -
2026-05-27 A836FB IAH → BWI May 27, 16:31 UTCMay 27, 18:46 UTC2h 15m +18m +13m
2026-05-27 A0B7D9 IAH → BWI May 27, 12:25 UTCMay 27, 15:00 UTC2h 35m - -
2026-05-26 A94B0B IAH → BWI May 26, 16:30 UTCMay 26, 18:19 UTC1h 50m - -
2026-05-26 A94B0B IAH → BWI May 26, 16:31 UTCMay 26, 18:18 UTC1h 47m +18m -10m
2026-05-26 A0B7B7 IAH → BWI May 26, 12:30 UTCMay 26, 15:05 UTC2h 35m - -
2026-05-25 A8D46A IAH → BWI May 25, 16:25 UTCMay 25, 18:35 UTC2h 10m - -
2026-05-25 A0B7D9 IAH → BWI May 25, 12:35 UTCMay 25, 15:10 UTC2h 35m - -
2026-05-24 A0B867 IAH → BWI May 24, 13:35 UTCMay 24, 16:10 UTC2h 35m - -
2026-05-23 A0B81D IAH → BWI May 23, 13:00 UTCMay 23, 15:40 UTC2h 40m - -
2026-05-22 A92362 IAH → BWI May 22, 16:20 UTCMay 22, 18:20 UTC2h 0m - -
2026-05-22 A24526 IAH → BWI May 22, 12:30 UTCMay 22, 15:05 UTC2h 35m - -
2026-05-21 A94AE3 IAH → BWI May 21, 16:35 UTCMay 21, 18:40 UTC2h 5m - -
2026-05-21 A0B7B7 IAH → BWI May 21, 12:40 UTCMay 21, 15:15 UTC2h 35m - -
2026-05-21 AC523C IAH → BWI May 21, 02:50 UTCMay 21, 04:55 UTC2h 5m - -
2026-05-21 AC523C IAH → BWI May 21, 03:03 UTCMay 21, 04:55 UTC1h 52m +33m -6m
2026-05-18 A3D2C0 IAH → BWI May 18, 12:25 UTCMay 18, 14:55 UTC2h 30m - -
2026-05-17 A0B821 IAH → BWI May 17, 12:25 UTCMay 17, 15:01 UTC2h 35m - -
2026-05-16 A6EDA1 IAH → BWI May 16, 12:11 UTCMay 16, 14:55 UTC2h 45m - -
2026-05-15 A0B81E IAH → BWI May 15, 12:33 UTCMay 15, 15:06 UTC2h 33m +33m -5m
2026-05-15 A0B81E IAH → BWI May 15, 12:35 UTCMay 15, 15:10 UTC2h 34m - -
2026-05-14 A0B88B IAH → BWI May 14, 12:25 UTCMay 14, 14:50 UTC2h 25m - -
2026-05-14 A0B88B IAH → BWI May 14, 12:33 UTCMay 14, 14:50 UTC2h 17m +33m on time
2026-05-11 A0B867 IAH → BWI May 11, 12:20 UTCMay 11, 14:50 UTC2h 30m - -
2026-05-10 A94B29 IAH → BWI May 10, 12:19 UTCMay 10, 14:54 UTC2h 35m - -
2026-05-09 A3D326 IAH → BWI May 9, 12:25 UTCMay 9, 14:55 UTC2h 30m - -

Performance history

Flights tracked
81 showing last 30
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 2 months

Month Flights tracked
May 2026 37
April 2026 44

UAL1421 frequently asked

Where does flight UAL1421 fly?
UAL1421 (United Airlines) flies from IAH to BWI. View the full route page.
How long is flight UAL1421?
Based on observed flights, UAL1421 takes on average 2h 21m from takeoff to landing.
How often does UAL1421 fly?
UAL1421 has been observed flying several times a week in our tracking data. We've recorded 81 flights under this callsign.
Is flight UAL1421 usually on time?
Across recent flights, UAL1421 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1421?
UAL1421 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1421 live?
Yes. When UAL1421 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.