Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N17421

BOEING 737 MAX 9

Operated by UNITED AIRLINES INC

Tail number
N17421
Type
B39M
Mode-S
A12AC1
Not currently tracked · last seen 33m ago
Flights observed
388 showing last 50
Avg flight time
2h 28m
Typical route
SAV → IAD
Last seen
33m ago

Last known area

Map centered near N17421's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-14 - Jul 14, 07:05 UTCJul 14, 07:25 UTC20m
2026-07-14 - Jul 14, 02:25 UTCJul 14, 02:55 UTC30m
2026-07-13 IAD → SFO Jul 13, 20:00 UTCJul 14, 00:45 UTC4h 45m
2026-07-13 SAV → IAD Jul 13, 16:18 UTCJul 13, 17:21 UTC1h 3m
2026-07-13 SAV → IAD Jul 13, 16:10 UTCJul 13, 17:20 UTC1h 10m
2026-07-13 IAD → SAV Jul 13, 13:15 UTCJul 13, 14:35 UTC1h 20m
2026-07-13 - Jul 13, 10:20 UTCJul 13, 11:15 UTC55m
2026-07-13 IAD → BDL Jul 13, 03:10 UTCJul 13, 04:05 UTC55m
2026-07-12 SEA → IAD Jul 12, 20:15 UTCJul 13, 00:40 UTC4h 25m
2026-07-12 IAD → SEA Jul 12, 13:15 UTCJul 12, 18:10 UTC4h 55m
2026-07-12 BOS → IAD Jul 12, 10:01 UTCJul 12, 11:15 UTC1h 15m
2026-07-12 ORD → BOS Jul 12, 01:41 UTCJul 12, 03:37 UTC1h 56m
2026-07-12 ORD → BOS Jul 12, 01:35 UTCJul 12, 03:40 UTC2h 5m
2026-07-11 - Jul 11, 20:35 UTCJul 11, 23:20 UTC2h 45m
2026-07-11 - Jul 11, 16:45 UTCJul 11, 19:10 UTC2h 25m
2026-07-11 - Jul 11, 12:35 UTCJul 11, 14:45 UTC2h 10m
2026-07-11 - Jul 11, 04:55 UTCJul 11, 06:01 UTC1h 5m
2026-07-11 POS → IAH Jul 11, 04:42 UTCJul 11, 10:16 UTC5h 34m
2026-07-10 - Jul 10, 22:15 UTCJul 11, 03:01 UTC4h 45m
2026-07-10 - Jul 10, 17:05 UTCJul 10, 19:45 UTC2h 40m
2026-07-10 - Jul 10, 13:10 UTCJul 10, 15:45 UTC2h 35m
2026-07-10 IAH → BWI Jul 10, 12:59 UTCJul 10, 15:43 UTC2h 44m
2026-07-10 - Jul 10, 03:20 UTCJul 10, 06:45 UTC3h 25m
2026-07-09 EWR → BOS Jul 9, 21:56 UTCJul 9, 22:39 UTC43m
2026-07-09 EWR → BOS Jul 9, 21:55 UTCJul 9, 22:40 UTC45m
2026-07-09 - Jul 9, 16:45 UTCJul 9, 20:15 UTC3h 30m
2026-07-09 - Jul 9, 11:20 UTCJul 9, 13:40 UTC2h 20m
2026-07-09 SJU → EWR Jul 9, 05:05 UTCJul 9, 08:45 UTC3h 40m
2026-07-09 SJU → EWR Jul 9, 05:12 UTCJul 9, 08:41 UTC3h 29m
2026-07-09 - Jul 9, 03:00 UTCJul 9, 03:25 UTC25m
2026-07-09 - Jul 9, 00:05 UTCJul 9, 00:50 UTC45m
2026-07-08 - Jul 8, 19:05 UTCJul 8, 21:15 UTC2h 10m
2026-07-08 NAS → EWR Jul 8, 18:52 UTCJul 8, 21:10 UTC2h 18m
2026-07-08 - Jul 8, 14:35 UTCJul 8, 16:35 UTC2h 0m
2026-07-08 - Jul 8, 06:20 UTCJul 8, 11:00 UTC4h 40m
2026-07-08 - Jul 8, 00:00 UTCJul 8, 04:20 UTC4h 20m
2026-07-07 - Jul 7, 19:55 UTCJul 7, 21:25 UTC1h 30m
2026-07-07 IAH → RDU Jul 7, 16:30 UTCJul 7, 18:00 UTC1h 30m
2026-07-07 - Jul 7, 12:20 UTCJul 7, 14:45 UTC2h 25m
2026-07-06 EWR → FLL Jul 6, 22:35 UTCJul 7, 01:05 UTC2h 30m
2026-07-06 - Jul 6, 18:40 UTCJul 6, 20:35 UTC1h 55m
2026-07-05 - Jul 5, 20:35 UTCJul 5, 22:35 UTC2h 0m
2026-07-05 - Jul 5, 14:15 UTCJul 5, 19:05 UTC4h 50m
2026-07-05 SAN → EWR Jul 5, 14:02 UTCJul 5, 19:12 UTC5h 10m
2026-07-04 SFO → DEN Jul 4, 14:45 UTCJul 4, 17:35 UTC2h 50m
2026-07-04 SFO → DEN Jul 4, 14:50 UTCJul 4, 17:31 UTC2h 41m
2026-07-04 - Jul 4, 12:10 UTCJul 4, 12:50 UTC40m
2026-07-03 EWR → DFW Jul 3, 20:45 UTCJul 3, 23:45 UTC3h 0m
2026-07-03 - Jul 3, 16:20 UTCJul 3, 19:15 UTC2h 55m
2026-07-03 - Jul 3, 03:15 UTCJul 3, 06:05 UTC2h 50m

Specifications

Registration N17421
Aircraft type BOEING 737 MAX 9 (B39M)
Operator UNITED AIRLINES INC
Mode-S code A12AC1 · 50225301 (octal)

Looking for transponder-level data? View the Mode-S A12AC1 page for country allocation, callsign history, and ADS-B signal details.

N17421 frequently asked

What type of aircraft is N17421?
N17421 is a BOEING 737 MAX 9 (ICAO type code B39M).
Who operates N17421?
N17421 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N17421?
N17421 broadcasts on Mode-S (ICAO 24-bit) address A12AC1 (octal 50225301). View the transponder page.
What route does N17421 typically fly?
N17421 most frequently flies between SAV and IAD based on observed flights.
Where is N17421 right now?
N17421 is not currently being tracked; last seen 33m ago.