flight Aircraft
N39423
BOEING 737-900
Operated by UNITED AIRLINES INC
- Tail number
- N39423
- Type
- B739
- Mode-S
- A4945F
Not currently tracked · last seen Jul 26, 15:50 UTC
- Flights observed
- 411 showing last 50
- Avg flight time
- 2h 44m
- Typical route
- PDX → DEN
- Last seen
- Jul 26, 15:50 UTC
Last known area
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-26 | PDX → DEN | Jul 26, 12:20 UTC | Jul 26, 15:35 UTC | 3h 15m |
| 2026-07-26 | EWR → FLL | Jul 26, 00:10 UTC | Jul 26, 03:15 UTC | 3h 5m |
| 2026-07-25 | MYR → ORD | Jul 25, 20:55 UTC | Jul 25, 22:20 UTC | 1h 25m |
| 2026-07-25 | MYR → ORD | Jul 25, 20:50 UTC | Jul 25, 22:15 UTC | 1h 25m |
| 2026-07-25 | MSO → DEN | Jul 25, 17:50 UTC | Jul 25, 19:15 UTC | 1h 25m |
| 2026-07-25 | IAH → MSY | Jul 25, 12:15 UTC | Jul 25, 15:55 UTC | 3h 40m |
| 2026-07-25 | IAH → MSY | Jul 25, 12:19 UTC | Jul 25, 15:53 UTC | 3h 34m |
| 2026-07-25 | PDX → DEN | Jul 25, 00:50 UTC | Jul 25, 03:55 UTC | 3h 5m |
| 2026-07-24 | DEN → BIL | Jul 24, 20:30 UTC | Jul 24, 22:40 UTC | 2h 10m |
| 2026-07-24 | DEN → BIL | Jul 24, 20:19 UTC | Jul 24, 22:32 UTC | 2h 13m |
| 2026-07-22 | EWR → LAS | Jul 22, 20:30 UTC | Jul 23, 00:45 UTC | 4h 15m |
| 2026-07-22 | EWR → SJD | Jul 22, 16:10 UTC | Jul 22, 18:30 UTC | 2h 20m |
| 2026-07-22 | OMA → SFO | Jul 22, 12:50 UTC | Jul 22, 14:45 UTC | 1h 55m |
| 2026-07-21 | IAH → CVG | Jul 21, 21:50 UTC | Jul 22, 00:35 UTC | 2h 45m |
| 2026-07-21 | - | Jul 21, 16:20 UTC | Jul 21, 19:55 UTC | 3h 35m |
| 2026-07-21 | PHX → SFO | Jul 21, 10:35 UTC | Jul 21, 13:45 UTC | 3h 10m |
| 2026-07-21 | EWR → MSY | Jul 21, 01:30 UTC | Jul 21, 04:25 UTC | 2h 55m |
| 2026-07-20 | LAS → IAH | Jul 20, 20:15 UTC | Jul 20, 23:35 UTC | 3h 20m |
| 2026-07-20 | - | Jul 20, 15:35 UTC | Jul 20, 18:20 UTC | 2h 45m |
| 2026-07-20 | ORD → LGA | Jul 20, 11:50 UTC | Jul 20, 13:40 UTC | 1h 50m |
| 2026-07-20 | - | Jul 20, 01:40 UTC | Jul 20, 03:30 UTC | 1h 50m |
| 2026-07-19 | - | Jul 19, 15:55 UTC | Jul 19, 23:50 UTC | 7h 55m |
| 2026-07-18 | - | Jul 18, 23:45 UTC | Jul 19, 02:30 UTC | 2h 45m |
| 2026-07-18 | - | Jul 18, 20:50 UTC | Jul 18, 21:35 UTC | 45m |
| 2026-07-18 | - | Jul 18, 14:05 UTC | Jul 18, 18:25 UTC | 4h 20m |
| 2026-07-18 | SFO → CUN | Jul 18, 07:55 UTC | Jul 18, 12:40 UTC | 4h 45m |
| 2026-07-18 | ORD → SJC | Jul 18, 02:14 UTC | Jul 18, 06:10 UTC | 3h 56m |
| 2026-07-18 | ORD → SJC | Jul 18, 02:11 UTC | Jul 18, 06:06 UTC | 3h 55m |
| 2026-07-17 | SAT → EWR | Jul 17, 20:09 UTC | Jul 17, 22:20 UTC | 2h 11m |
| 2026-07-17 | SAT → EWR | Jul 17, 19:55 UTC | Jul 17, 22:25 UTC | 2h 30m |
| 2026-07-17 | DEN → ABQ | Jul 17, 16:00 UTC | Jul 17, 18:05 UTC | 2h 5m |
| 2026-07-17 | EWR → MCO | Jul 17, 12:00 UTC | Jul 17, 14:04 UTC | 2h 5m |
| 2026-07-17 | ORD → EWR | Jul 17, 01:49 UTC | Jul 17, 03:25 UTC | 1h 35m |
| 2026-07-16 | BUF → ORD | Jul 16, 22:10 UTC | Jul 16, 23:44 UTC | 1h 35m |
| 2026-07-16 | BUF → ORD | Jul 16, 22:20 UTC | Jul 16, 23:18 UTC | 58m |
| 2026-07-16 | - | Jul 16, 19:14 UTC | Jul 16, 20:25 UTC | 1h 10m |
| 2026-07-16 | ORD → BUF | Jul 16, 19:24 UTC | Jul 16, 20:18 UTC | 54m |
| 2026-07-16 | LAS → ORD | Jul 16, 14:10 UTC | Jul 16, 17:30 UTC | 3h 20m |
| 2026-07-15 | - | Jul 15, 23:05 UTC | Jul 16, 01:50 UTC | 2h 45m |
| 2026-07-15 | - | Jul 15, 19:35 UTC | Jul 15, 21:35 UTC | 2h 0m |
| 2026-07-15 | - | Jul 15, 16:15 UTC | Jul 15, 18:00 UTC | 1h 45m |
| 2026-07-15 | IAH → CUN | Jul 15, 15:34 UTC | Jul 15, 17:57 UTC | 2h 23m |
| 2026-07-14 | - | Jul 14, 15:45 UTC | Jul 15, 00:25 UTC | 8h 39m |
| 2026-07-14 | - | Jul 14, 11:25 UTC | Jul 14, 13:35 UTC | 2h 10m |
| 2026-07-14 | - | Jul 14, 03:00 UTC | Jul 14, 04:45 UTC | 1h 45m |
| 2026-07-13 | - | Jul 13, 22:25 UTC | Jul 14, 01:05 UTC | 2h 40m |
| 2026-07-13 | CLE → IAH | Jul 13, 22:10 UTC | Jul 14, 00:55 UTC | 2h 45m |
| 2026-07-13 | - | Jul 13, 15:30 UTC | Jul 13, 17:45 UTC | 2h 15m |
| 2026-07-13 | - | Jul 13, 11:40 UTC | Jul 13, 14:00 UTC | 2h 20m |
| 2026-07-13 | CLE → FLL | Jul 13, 11:43 UTC | Jul 13, 14:01 UTC | 2h 18m |
Specifications
| Registration | N39423 |
| Aircraft type | BOEING 737-900 (B739) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A4945F · 51112137 (octal) |
Looking for transponder-level data? View the Mode-S A4945F page for country allocation, callsign history, and ADS-B signal details.
N39423 frequently asked
What type of aircraft is N39423?
N39423 is a BOEING 737-900 (ICAO type code B739).
Who operates N39423?
N39423 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N39423?
N39423 broadcasts on Mode-S (ICAO 24-bit) address A4945F (octal 51112137). View the transponder page.
What route does N39423 typically fly?
N39423 most frequently flies between PDX and DEN based on observed flights.
Where is N39423 right now?
N39423 is not currently being tracked; last seen Jul 26, 15:50 UTC.