Apparatus

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flight Aircraft

N21129

EMBRAER ERJ-145XR

Operated by UNITED AIRLINES INC

Tail number
N21129
Type
E45X
Mode-S
A1BFF9
Not currently tracked · last seen 9h ago
Flights observed
543 showing last 50
Avg flight time
1h 1m
Typical route
-
Last seen
9h ago

Last known area

Map centered near N21129's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 - Jul 14, 21:50 UTCJul 14, 22:30 UTC40m
2026-07-13 - Jul 13, 14:40 UTCJul 13, 15:30 UTC50m
2026-07-13 - Jul 13, 12:45 UTCJul 13, 13:30 UTC45m
2026-07-12 - Jul 12, 22:40 UTCJul 13, 00:05 UTC1h 25m
2026-07-12 - Jul 12, 19:50 UTCJul 12, 21:10 UTC1h 20m
2026-07-12 - Jul 12, 17:20 UTCJul 12, 18:15 UTC55m
2026-07-12 BRO → IAH Jul 12, 17:28 UTCJul 12, 18:19 UTC51m
2026-07-12 IAH → BRO Jul 12, 15:22 UTCJul 12, 15:55 UTC33m
2026-07-12 - Jul 12, 15:05 UTCJul 12, 15:50 UTC45m
2026-07-12 - Jul 12, 12:40 UTCJul 12, 13:35 UTC55m
2026-07-12 - Jul 12, 01:10 UTCJul 12, 01:50 UTC40m
2026-07-11 - Jul 11, 23:10 UTCJul 12, 00:10 UTC1h 0m
2026-07-11 CRP → IAH Jul 11, 22:38 UTCJul 12, 00:09 UTC1h 31m
2026-07-11 - Jul 11, 20:20 UTCJul 11, 21:00 UTC40m
2026-07-11 - Jul 11, 17:40 UTCJul 11, 19:10 UTC1h 30m
2026-07-11 LIT → IAH Jul 11, 17:33 UTCJul 11, 18:49 UTC1h 16m
2026-07-11 - Jul 11, 15:10 UTCJul 11, 15:50 UTC40m
2026-07-11 - Jul 11, 12:40 UTCJul 11, 13:30 UTC50m
2026-07-11 - Jul 11, 03:05 UTCJul 11, 04:01 UTC55m
2026-07-11 IAH → LRD Jul 11, 03:07 UTCJul 11, 04:09 UTC1h 2m
2026-07-11 - Jul 11, 00:00 UTCJul 11, 01:25 UTC1h 25m
2026-07-10 - Jul 10, 21:35 UTCJul 10, 23:05 UTC1h 30m
2026-07-10 - Jul 10, 19:30 UTCJul 10, 19:55 UTC25m
2026-07-10 LCH → IAH Jul 10, 19:27 UTCJul 10, 19:43 UTC16m
2026-07-10 - Jul 10, 17:45 UTCJul 10, 18:00 UTC15m
2026-07-10 IAH → LCH Jul 10, 17:47 UTCJul 10, 18:16 UTC29m
2026-07-10 - Jul 10, 14:50 UTCJul 10, 15:45 UTC55m
2026-07-10 - Jul 10, 12:50 UTCJul 10, 13:40 UTC50m
2026-07-10 IAH → MFE Jul 10, 12:53 UTCJul 10, 13:46 UTC53m
2026-07-09 - Jul 9, 23:20 UTCJul 10, 01:50 UTC2h 30m
2026-07-09 - Jul 9, 19:05 UTCJul 9, 21:30 UTC2h 25m
2026-07-09 IAH → MOT Jul 9, 19:08 UTCJul 9, 21:53 UTC2h 45m
2026-07-09 - Jul 9, 14:30 UTCJul 9, 15:20 UTC50m
2026-07-09 - Jul 9, 01:40 UTCJul 9, 02:20 UTC40m
2026-07-08 - Jul 8, 23:30 UTCJul 8, 23:45 UTC15m
2026-07-08 - Jul 8, 22:05 UTCJul 8, 22:20 UTC15m
2026-07-08 - Jul 8, 19:25 UTCJul 8, 20:30 UTC1h 5m
2026-07-08 - Jul 8, 17:30 UTCJul 8, 18:10 UTC40m
2026-07-08 IAH → HRL Jul 8, 17:33 UTCJul 8, 18:13 UTC40m
2026-07-08 MOB → IAH Jul 8, 14:10 UTCJul 8, 15:15 UTC1h 5m
2026-07-07 IAD → MOB Jul 7, 23:15 UTCJul 8, 01:10 UTC1h 55m
2026-07-07 - Jul 7, 19:15 UTCJul 7, 20:35 UTC1h 20m
2026-07-07 DAY → IAD Jul 7, 19:07 UTCJul 7, 20:26 UTC1h 19m
2026-07-07 BTV → IAD Jul 7, 17:10 UTCJul 7, 18:15 UTC1h 5m
2026-07-07 - Jul 7, 10:15 UTCJul 7, 11:15 UTC1h 0m
2026-07-07 - Jul 7, 05:25 UTCJul 7, 06:10 UTC45m
2026-07-07 - Jul 7, 00:40 UTCJul 7, 01:40 UTC1h 0m
2026-07-06 - Jul 6, 22:50 UTCJul 6, 23:50 UTC1h 0m
2026-07-06 IAD → GSP Jul 6, 21:43 UTCJul 6, 23:50 UTC2h 7m
2026-07-06 - Jul 6, 19:10 UTCJul 6, 19:30 UTC20m

Specifications

Registration N21129
Aircraft type EMBRAER ERJ-145XR (E45X)
Operator UNITED AIRLINES INC
Mode-S code A1BFF9 · 50337771 (octal)

Looking for transponder-level data? View the Mode-S A1BFF9 page for country allocation, callsign history, and ADS-B signal details.

N21129 frequently asked

What type of aircraft is N21129?
N21129 is a EMBRAER ERJ-145XR (ICAO type code E45X).
Who operates N21129?
N21129 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N21129?
N21129 broadcasts on Mode-S (ICAO 24-bit) address A1BFF9 (octal 50337771). View the transponder page.
Where is N21129 right now?
N21129 is not currently being tracked; last seen 9h ago.