flight Aircraft
N29978
BOEING 787-9 Dreamliner
Operated by UNITED AIRLINES INC
- Tail number
- N29978
- Type
- B789
- Mode-S
- A31A57
Airborne now · flying as UAL1757 at 37,975 ft
- Flights observed
- 213 showing last 50
- Avg flight time
- 9h 19m
- Typical route
- HKG → LAX
- Last seen
- Jul 19, 02:00 UTC
Live position
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-19 | - | Jul 19, 01:50 UTC | Jul 19, 02:00 UTC | 10m |
| 2026-07-18 | MEX → SFO | Jul 18, 07:55 UTC | Jul 18, 21:15 UTC | 13h 20m |
| 2026-07-18 | MEX → SFO | Jul 18, 07:14 UTC | Jul 18, 21:16 UTC | 14h 2m |
| 2026-07-17 | - | Jul 17, 05:04 UTC | Jul 17, 18:29 UTC | 13h 25m |
| 2026-07-17 | HKG → LAX | Jul 17, 05:08 UTC | Jul 17, 18:29 UTC | 13h 21m |
| 2026-07-16 | - | Jul 16, 07:30 UTC | Jul 16, 21:10 UTC | 13h 40m |
| 2026-07-15 | PVG → LAX | Jul 15, 12:31 UTC | Jul 15, 23:44 UTC | 11h 13m |
| 2026-07-15 | - | Jul 15, 06:30 UTC | Jul 15, 23:50 UTC | 17h 20m |
| 2026-07-14 | - | Jul 14, 20:50 UTC | Jul 15, 14:55 UTC | 18h 4m |
| 2026-07-14 | HKG → LAX | Jul 14, 05:08 UTC | Jul 14, 18:14 UTC | 13h 6m |
| 2026-07-14 | - | Jul 14, 05:05 UTC | Jul 14, 08:55 UTC | 3h 50m |
| 2026-07-14 | - | Jul 14, 02:30 UTC | Jul 14, 02:35 UTC | 5m |
| 2026-07-13 | - | Jul 13, 12:50 UTC | Jul 13, 13:00 UTC | 10m |
| 2026-07-13 | - | Jul 13, 09:55 UTC | Jul 13, 10:15 UTC | 20m |
| 2026-07-12 | - | Jul 12, 20:15 UTC | Jul 13, 09:20 UTC | 13h 5m |
| 2026-07-12 | - | Jul 12, 08:01 UTC | Jul 12, 17:35 UTC | 9h 35m |
| 2026-07-11 | LAX → NRT | Jul 11, 18:10 UTC | Jul 12, 04:40 UTC | 10h 30m |
| 2026-07-10 | - | Jul 10, 12:40 UTC | Jul 10, 23:05 UTC | 10h 25m |
| 2026-07-10 | LHR → LAX | Jul 10, 12:30 UTC | Jul 10, 23:04 UTC | 10h 34m |
| 2026-07-10 | - | Jul 10, 00:40 UTC | Jul 10, 10:15 UTC | 9h 35m |
| 2026-07-08 | - | Jul 8, 17:30 UTC | Jul 9, 04:55 UTC | 11h 25m |
| 2026-07-07 | SFO → SIN | Jul 7, 20:00 UTC | Jul 8, 11:58 UTC | 15h 58m |
| 2026-07-07 | - | Jul 7, 20:10 UTC | Jul 8, 10:20 UTC | 14h 10m |
| 2026-07-07 | SYD → SFO | Jul 7, 01:00 UTC | Jul 7, 13:40 UTC | 12h 40m |
| 2026-07-06 | - | Jul 6, 07:55 UTC | Jul 6, 21:45 UTC | 13h 50m |
| 2026-07-06 | SFO → SYD | Jul 6, 06:46 UTC | Jul 6, 22:23 UTC | 15h 37m |
| 2026-07-05 | ICN → SFO | Jul 5, 02:56 UTC | Jul 5, 12:55 UTC | 9h 59m |
| 2026-07-05 | - | Jul 5, 02:40 UTC | Jul 5, 04:25 UTC | 1h 45m |
| 2026-07-04 | SFO → ICN | Jul 4, 08:51 UTC | Jul 4, 20:09 UTC | 11h 18m |
| 2026-07-04 | SFO → ICN | Jul 4, 08:55 UTC | Jul 4, 20:15 UTC | 11h 20m |
| 2026-07-03 | - | Jul 3, 14:50 UTC | Jul 4, 04:45 UTC | 13h 55m |
| 2026-07-03 | SIN → SFO | Jul 3, 13:20 UTC | Jul 4, 04:45 UTC | 15h 25m |
| 2026-07-02 | - | Jul 2, 19:15 UTC | Jul 2, 19:40 UTC | 25m |
| 2026-07-02 | - | Jul 2, 01:20 UTC | Jul 2, 14:00 UTC | 12h 40m |
| 2026-07-01 | - | Jul 1, 06:25 UTC | Jul 1, 06:50 UTC | 25m |
| 2026-07-01 | LAX → SYD | Jul 1, 06:19 UTC | Jul 1, 21:00 UTC | 14h 41m |
| 2026-06-30 | - | Jun 30, 15:00 UTC | Jul 1, 03:05 UTC | 12h 5m |
| 2026-06-30 | HKG → LAX | Jun 30, 14:06 UTC | Jul 1, 02:59 UTC | 12h 53m |
| 2026-06-30 | - | Jun 30, 14:10 UTC | Jun 30, 14:25 UTC | 15m |
| 2026-06-30 | - | Jun 30, 09:15 UTC | Jun 30, 09:40 UTC | 25m |
| 2026-06-30 | BKK → HKG | Jun 30, 09:05 UTC | Jun 30, 11:33 UTC | 2h 28m |
| 2026-06-30 | - | Jun 30, 01:04 UTC | Jun 30, 02:25 UTC | 1h 21m |
| 2026-06-30 | - | Jun 30, 00:14 UTC | Jun 30, 00:25 UTC | 10m |
| 2026-06-29 | - | Jun 29, 07:30 UTC | Jun 29, 21:39 UTC | 14h 10m |
| 2026-06-28 | - | Jun 28, 23:09 UTC | Jun 29, 04:00 UTC | 4h 50m |
| 2026-06-28 | LAX → EWR | Jun 28, 16:25 UTC | Jun 28, 21:14 UTC | 4h 50m |
| 2026-06-27 | SYD → LAX | Jun 27, 23:51 UTC | Jun 28, 12:54 UTC | 13h 3m |
| 2026-06-27 | - | Jun 27, 23:55 UTC | Jun 28, 00:39 UTC | 45m |
| 2026-06-27 | - | Jun 27, 06:09 UTC | Jun 27, 20:39 UTC | 14h 30m |
| 2026-06-26 | HKG → LAX | Jun 26, 14:06 UTC | Jun 27, 03:04 UTC | 12h 58m |
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 HKG and LAX based on observed flights.
Where is N29978 right now?
N29978 is currently airborne flying as UAL1757. Live position is shown on the map above.