Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N78438

BOEING 737-900

Operated by UNITED AIRLINES INC, ATTN TREASURER

Tail number
N78438
Type
B739
Mode-S
AAA244
Not currently tracked · last seen 6h ago
Flights observed
394 showing last 50
Avg flight time
1h 57m
Typical route
PHX → SFO
Last seen
6h ago

Last known area

Map centered near N78438's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-13 IAD → MCO Jul 13, 23:20 UTCJul 14, 01:15 UTC1h 55m
2026-07-13 BOS → IAD Jul 13, 18:40 UTCJul 13, 19:45 UTC1h 5m
2026-07-13 - Jul 13, 14:40 UTCJul 13, 16:35 UTC1h 55m
2026-07-13 ORD → BOS Jul 13, 14:52 UTCJul 13, 16:30 UTC1h 38m
2026-07-13 SFO → ORD Jul 13, 00:10 UTCJul 13, 03:50 UTC3h 40m
2026-07-12 LAS → SFO Jul 12, 21:15 UTCJul 12, 22:20 UTC1h 5m
2026-07-12 - Jul 12, 18:10 UTCJul 12, 19:25 UTC1h 15m
2026-07-12 PHX → SFO Jul 12, 15:01 UTCJul 12, 16:25 UTC1h 25m
2026-07-12 PHX → SFO Jul 12, 14:37 UTCJul 12, 16:32 UTC1h 55m
2026-07-12 - Jul 12, 02:35 UTCJul 12, 04:20 UTC1h 45m
2026-07-11 - Jul 11, 20:45 UTCJul 12, 00:35 UTC3h 50m
2026-07-11 ORD → ORD Jul 11, 16:05 UTCJul 11, 16:25 UTC20m
2026-07-11 - Jul 11, 13:15 UTCJul 11, 14:20 UTC1h 5m
2026-07-11 - Jul 11, 03:45 UTCJul 11, 04:25 UTC40m
2026-07-11 ORD → CID Jul 11, 03:33 UTCJul 11, 04:22 UTC49m
2026-07-10 EWR → ORD Jul 10, 21:05 UTCJul 10, 23:30 UTC2h 25m
2026-07-10 DEN → BDL Jul 10, 16:00 UTCJul 10, 19:15 UTC3h 15m
2026-07-10 - Jul 10, 13:20 UTCJul 10, 14:20 UTC1h 0m
2026-07-10 DEN → SLC Jul 10, 03:55 UTCJul 10, 04:55 UTC1h 0m
2026-07-09 - Jul 9, 22:25 UTCJul 10, 02:25 UTC4h 0m
2026-07-09 - Jul 9, 19:15 UTCJul 9, 19:40 UTC25m
2026-07-09 DEN → BWI Jul 9, 16:00 UTCJul 9, 19:10 UTC3h 10m
2026-07-09 MFR → DEN Jul 9, 12:10 UTCJul 9, 14:05 UTC1h 55m
2026-07-09 DEN → MFR Jul 9, 02:45 UTCJul 9, 05:10 UTC2h 25m
2026-07-08 OKC → DEN Jul 8, 23:50 UTCJul 9, 01:25 UTC1h 35m
2026-07-08 - Jul 8, 19:45 UTCJul 8, 20:55 UTC1h 10m
2026-07-08 LAX → DEN Jul 8, 15:30 UTCJul 8, 16:45 UTC1h 15m
2026-07-08 - Jul 8, 02:40 UTCJul 8, 03:55 UTC1h 15m
2026-07-08 - Jul 8, 00:55 UTCJul 8, 01:25 UTC30m
2026-07-07 - Jul 7, 17:35 UTCJul 7, 23:15 UTC5h 40m
2026-07-07 - Jul 7, 14:10 UTCJul 7, 16:05 UTC1h 55m
2026-07-07 IAH → DEN Jul 7, 14:07 UTCJul 7, 16:02 UTC1h 55m
2026-07-07 - Jul 7, 02:45 UTCJul 7, 05:30 UTC2h 45m
2026-07-06 - Jul 6, 22:35 UTCJul 7, 01:35 UTC3h 0m
2026-07-06 IAH → LAX Jul 6, 22:36 UTCJul 7, 01:26 UTC2h 50m
2026-07-06 SJD → IAH Jul 6, 18:46 UTCJul 6, 20:44 UTC1h 58m
2026-07-06 - Jul 6, 15:05 UTCJul 6, 20:45 UTC5h 40m
2026-07-03 - Jul 3, 23:10 UTCJul 3, 23:45 UTC35m
2026-07-03 DEN → AUS Jul 3, 19:55 UTCJul 3, 21:40 UTC1h 45m
2026-07-03 SAN → DEN Jul 3, 16:00 UTCJul 3, 17:45 UTC1h 45m
2026-07-03 - Jul 3, 02:20 UTCJul 3, 03:30 UTC1h 10m
2026-07-02 - Jul 2, 23:40 UTCJul 3, 00:45 UTC1h 5m
2026-07-02 IAD → SAN Jul 2, 16:55 UTCJul 2, 21:40 UTC4h 45m
2026-07-02 EWR → IAD Jul 2, 14:27 UTCJul 2, 15:11 UTC44m
2026-07-02 EWR → IAD Jul 2, 14:25 UTCJul 2, 15:20 UTC55m
2026-07-02 - Jul 2, 10:25 UTCJul 2, 12:00 UTC1h 35m
2026-07-02 - Jul 2, 02:15 UTCJul 2, 03:55 UTC1h 40m
2026-07-01 - Jul 1, 21:20 UTCJul 1, 23:35 UTC2h 15m
2026-07-01 IAH → EWR Jul 1, 17:29 UTCJul 1, 19:26 UTC1h 57m
2026-07-01 - Jul 1, 17:15 UTCJul 1, 19:30 UTC2h 15m

Specifications

Registration N78438
Aircraft type BOEING 737-900 (B739)
Operator UNITED AIRLINES INC, ATTN TREASURER
Mode-S code AAA244 · 52521104 (octal)

Looking for transponder-level data? View the Mode-S AAA244 page for country allocation, callsign history, and ADS-B signal details.

N78438 frequently asked

What type of aircraft is N78438?
N78438 is a BOEING 737-900 (ICAO type code B739).
Who operates N78438?
N78438 is operated by UNITED AIRLINES INC, ATTN TREASURER.
What is the Mode-S transponder code for N78438?
N78438 broadcasts on Mode-S (ICAO 24-bit) address AAA244 (octal 52521104). View the transponder page.
What route does N78438 typically fly?
N78438 most frequently flies between PHX and SFO based on observed flights.
Where is N78438 right now?
N78438 is not currently being tracked; last seen 6h ago.