flight Aircraft
N57439
BOEING 737-900
Operated by UNITED AIRLINES INC
- Tail number
- N57439
- Type
- B739
- Mode-S
- A76028
Not currently tracked · last seen 4h ago
- Flights observed
- 209 showing last 50
- Avg flight time
- 2h 16m
- Typical route
- SEA → SFO
- Last seen
- 4h ago
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-05-30 | DEN → EWR | May 30, 01:00 UTC | May 30, 02:40 UTC | 1h 40m |
| 2026-05-30 | DEN → EWR | May 30, 00:55 UTC | May 30, 02:42 UTC | 1h 47m |
| 2026-05-29 | EWR → IAH | May 29, 21:45 UTC | May 29, 23:20 UTC | 1h 35m |
| 2026-05-29 | ORD → PHL | May 29, 18:15 UTC | May 29, 20:25 UTC | 2h 10m |
| 2026-05-29 | HKG → SFO | May 29, 16:30 UTC | May 29, 17:05 UTC | 35m |
| 2026-05-29 | DTW → AUS | May 29, 12:50 UTC | May 29, 15:05 UTC | 2h 15m |
| 2026-05-29 | CLT → EWR | May 29, 06:45 UTC | May 29, 10:40 UTC | 3h 55m |
| 2026-05-29 | ORD → YVR | May 29, 01:00 UTC | May 29, 04:40 UTC | 3h 40m |
| 2026-05-28 | HNL → EWR | May 28, 21:10 UTC | May 28, 23:10 UTC | 2h 0m |
| 2026-05-28 | ORD → ORF | May 28, 17:05 UTC | May 28, 18:40 UTC | 1h 35m |
| 2026-05-28 | DFW → EWR | May 28, 12:20 UTC | May 28, 14:35 UTC | 2h 15m |
| 2026-05-28 | DFW → EWR | May 28, 12:29 UTC | May 28, 14:21 UTC | 1h 52m |
| 2026-05-27 | JFK → SFO | May 27, 23:55 UTC | May 28, 03:15 UTC | 3h 20m |
| 2026-05-27 | LAS → IAH | May 27, 18:40 UTC | May 27, 22:05 UTC | 3h 25m |
| 2026-05-27 | SFO → BUR | May 27, 13:20 UTC | May 27, 15:25 UTC | 2h 5m |
| 2026-05-26 | LAX → IAD | May 26, 22:24 UTC | May 27, 00:14 UTC | 1h 50m |
| 2026-05-26 | LAX → IAD | May 26, 22:20 UTC | May 27, 00:14 UTC | 1h 55m |
| 2026-05-26 | DFW → EWR | May 26, 19:25 UTC | May 26, 20:00 UTC | 35m |
| 2026-05-26 | ORD → PHL | May 26, 17:09 UTC | May 26, 17:39 UTC | 30m |
| 2026-05-26 | ORD → PSP | May 26, 12:45 UTC | May 26, 15:14 UTC | 2h 30m |
| 2026-05-26 | RDU → EWR | May 26, 01:05 UTC | May 26, 03:55 UTC | 2h 50m |
| 2026-05-25 | SEA → SFO | May 25, 20:09 UTC | May 25, 23:14 UTC | 3h 5m |
| 2026-05-25 | SEA → SFO | May 25, 20:14 UTC | May 25, 23:09 UTC | 2h 55m |
| 2026-05-25 | LAX → SFO | May 25, 15:15 UTC | May 25, 18:05 UTC | 2h 50m |
| 2026-05-25 | BNA → SFO | May 25, 01:55 UTC | May 25, 04:50 UTC | 2h 55m |
| 2026-05-25 | BNA → SFO | May 25, 01:38 UTC | May 25, 04:45 UTC | 3h 7m |
| 2026-05-24 | DEN → EWR | May 24, 20:55 UTC | May 24, 23:46 UTC | 2h 51m |
| 2026-05-24 | BWI → SFO | May 24, 18:15 UTC | May 24, 19:15 UTC | 1h 0m |
| 2026-05-24 | IAH → CMH | May 24, 14:55 UTC | May 24, 16:50 UTC | 1h 55m |
| 2026-05-24 | VCV → SFO | May 24, 03:30 UTC | May 24, 06:05 UTC | 2h 35m |
| 2026-05-24 | VCV → SFO | May 24, 03:21 UTC | May 24, 05:59 UTC | 2h 38m |
| 2026-05-23 | ONT → SFO | May 23, 23:55 UTC | May 24, 01:50 UTC | 1h 55m |
| 2026-05-23 | EWR → SFO | May 23, 20:45 UTC | May 23, 21:40 UTC | 55m |
| 2026-05-23 | IAH → BDL | May 23, 18:15 UTC | May 23, 19:15 UTC | 1h 0m |
| 2026-05-23 | AUS → EWR | May 23, 13:15 UTC | May 23, 16:00 UTC | 2h 45m |
| 2026-05-23 | SFO → ORD | May 23, 00:15 UTC | May 23, 02:35 UTC | 2h 19m |
| 2026-05-22 | LAS → EWR | May 22, 18:50 UTC | May 22, 22:00 UTC | 3h 10m |
| 2026-05-22 | MCO → EWR | May 22, 14:15 UTC | May 22, 17:10 UTC | 2h 55m |
| 2026-05-22 | IAH → EWR | May 22, 11:35 UTC | May 22, 12:50 UTC | 1h 15m |
| 2026-05-22 | SFO → DEN | May 22, 05:15 UTC | May 22, 06:25 UTC | 1h 10m |
| 2026-05-22 | EWR → SFO | May 22, 01:30 UTC | May 22, 03:30 UTC | 2h 0m |
| 2026-05-22 | EWR → SFO | May 22, 01:25 UTC | May 22, 03:25 UTC | 2h 0m |
| 2026-05-21 | EWR → MYR | May 21, 16:56 UTC | May 21, 22:09 UTC | 5h 13m |
| 2026-05-21 | EWR → MYR | May 21, 17:05 UTC | May 21, 22:25 UTC | 5h 20m |
| 2026-05-21 | EWR → CLT | May 21, 13:10 UTC | May 21, 15:20 UTC | 2h 10m |
| 2026-05-20 | BWI → LAX | May 20, 23:40 UTC | May 21, 01:50 UTC | 2h 10m |
| 2026-05-20 | MCO → IAD | May 20, 17:55 UTC | May 20, 19:40 UTC | 1h 45m |
| 2026-05-20 | SEA → SFO | May 20, 14:09 UTC | May 20, 15:35 UTC | 1h 26m |
| 2026-05-20 | SEA → SFO | May 20, 13:55 UTC | May 20, 15:35 UTC | 1h 40m |
| 2026-05-19 | SFO → LAS | May 19, 22:15 UTC | May 20, 00:15 UTC | 2h 0m |
Specifications
| Registration | N57439 |
| Aircraft type | BOEING 737-900 (B739) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A76028 · 51660050 (octal) |
Looking for transponder-level data? View the Mode-S A76028 page for country allocation, callsign history, and ADS-B signal details.
N57439 frequently asked
What type of aircraft is N57439?
N57439 is a BOEING 737-900 (ICAO type code B739).
Who operates N57439?
N57439 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N57439?
N57439 broadcasts on Mode-S (ICAO 24-bit) address A76028 (octal 51660050). View the transponder page.
What route does N57439 typically fly?
N57439 most frequently flies between SEA and SFO based on observed flights.
Where is N57439 right now?
N57439 is not currently being tracked; last seen 4h ago.