Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N29978

BOEING 787-9 Dreamliner

Operated by UNITED AIRLINES INC

Tail number
N29978
Type
B789
Mode-S
A31A57
Not currently tracked · last seen 1d ago
Flights observed
4
Avg flight time
1h 21m
Typical route
SFO → SIN
Last seen
1d ago

Last known area

Map centered near N29978's most recent activity.

Recent flights last 4

DateRouteTakeoffLandingDuration
2026-04-13 SIN → SFO Apr 13, 16:35 UTCApr 13, 19:50 UTC3h 15m
2026-04-13 SFO → SIN Apr 13, 07:55 UTCApr 13, 09:00 UTC1h 5m
2026-04-13 SFO → SIN Apr 13, 07:25 UTCApr 13, 08:05 UTC40m
2026-04-12 SFO → SIN Apr 12, 18:30 UTCApr 12, 18:55 UTC25m

Specifications

Registration N29978
Aircraft type BOEING 787-9 Dreamliner (B789)
Operator UNITED AIRLINES INC
Mode-S code A31A57 · 50615127 (octal)

Looking for transponder-level data? View the Mode-S A31A57 page for country allocation, callsign history, and ADS-B signal details.

N29978 frequently asked

What type of aircraft is N29978?
N29978 is a BOEING 787-9 Dreamliner (ICAO type code B789).
Who operates N29978?
N29978 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N29978?
N29978 broadcasts on Mode-S (ICAO 24-bit) address A31A57 (octal 50615127). View the transponder page.
What route does N29978 typically fly?
N29978 most frequently flies between SFO and SIN based on observed flights.
Where is N29978 right now?
N29978 is not currently being tracked; last seen 1d ago.