flight Aircraft
N18243
BOEING 737-800
Operated by UNITED AIRLINES INC
- Tail number
- N18243
- Type
- B738
- Mode-S
- A14B1A
Airborne now · flying as UAL550 at 13,925 ft
- Flights observed
- 394 showing last 50
- Avg flight time
- 2h 11m
- Typical route
- DEN → PDX
- Last seen
- 8h ago
Live position
Recent flights last 50
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-14 | DEN → YYC | Jul 14, 01:35 UTC | Jul 14, 03:30 UTC | 1h 55m |
| 2026-07-13 | YEG → DEN | Jul 13, 21:20 UTC | Jul 13, 23:40 UTC | 2h 20m |
| 2026-07-13 | DEN → YEG | Jul 13, 17:35 UTC | Jul 13, 19:40 UTC | 2h 5m |
| 2026-07-13 | MSP → DEN | Jul 13, 14:25 UTC | Jul 13, 15:55 UTC | 1h 30m |
| 2026-07-13 | DEN → MSP | Jul 13, 01:01 UTC | Jul 13, 02:35 UTC | 1h 35m |
| 2026-07-12 | DEN → DEN | Jul 12, 15:50 UTC | Jul 12, 22:55 UTC | 7h 5m |
| 2026-07-11 | - | Jul 11, 23:05 UTC | Jul 12, 01:00 UTC | 1h 55m |
| 2026-07-11 | SNA → DEN | Jul 11, 23:13 UTC | Jul 12, 00:56 UTC | 1h 43m |
| 2026-07-11 | - | Jul 11, 19:35 UTC | Jul 11, 21:30 UTC | 1h 55m |
| 2026-07-11 | - | Jul 11, 16:00 UTC | Jul 11, 18:05 UTC | 2h 5m |
| 2026-07-11 | DEN → PDX | Jul 11, 05:35 UTC | Jul 11, 07:55 UTC | 2h 20m |
| 2026-07-11 | SJC → DEN | Jul 11, 02:15 UTC | Jul 11, 04:15 UTC | 2h 0m |
| 2026-07-10 | DEN → SJC | Jul 10, 22:50 UTC | Jul 11, 01:15 UTC | 2h 25m |
| 2026-07-10 | - | Jul 10, 19:45 UTC | Jul 10, 20:30 UTC | 45m |
| 2026-07-10 | DRO → DEN | Jul 10, 19:47 UTC | Jul 10, 20:31 UTC | 44m |
| 2026-07-10 | - | Jul 10, 17:20 UTC | Jul 10, 17:50 UTC | 30m |
| 2026-07-10 | ORF → DEN | Jul 10, 12:15 UTC | Jul 10, 15:45 UTC | 3h 30m |
| 2026-07-10 | DEN → ORF | Jul 10, 01:15 UTC | Jul 10, 04:15 UTC | 3h 0m |
| 2026-07-09 | - | Jul 9, 20:55 UTC | Jul 9, 23:05 UTC | 2h 10m |
| 2026-07-09 | - | Jul 9, 17:35 UTC | Jul 9, 18:50 UTC | 1h 15m |
| 2026-07-09 | - | Jul 9, 12:35 UTC | Jul 9, 15:45 UTC | 3h 10m |
| 2026-07-08 | - | Jul 8, 23:45 UTC | Jul 9, 02:45 UTC | 3h 0m |
| 2026-07-08 | TPA → DEN | Jul 8, 17:00 UTC | Jul 8, 20:15 UTC | 3h 15m |
| 2026-07-08 | IAD → TPA | Jul 8, 13:20 UTC | Jul 8, 15:15 UTC | 1h 55m |
| 2026-07-08 | IAB → IAD | Jul 8, 09:25 UTC | Jul 8, 11:40 UTC | 2h 15m |
| 2026-07-02 | - | Jul 2, 01:15 UTC | Jul 2, 03:05 UTC | 1h 50m |
| 2026-07-02 | CLE → IAB | Jul 2, 01:13 UTC | Jul 2, 03:06 UTC | 1h 53m |
| 2026-07-01 | - | Jul 1, 23:30 UTC | Jul 2, 00:15 UTC | 45m |
| 2026-07-01 | - | Jul 1, 19:15 UTC | Jul 1, 21:25 UTC | 2h 10m |
| 2026-07-01 | ORD → PNS | Jul 1, 16:00 UTC | Jul 1, 17:45 UTC | 1h 45m |
| 2026-07-01 | - | Jul 1, 12:30 UTC | Jul 1, 14:00 UTC | 1h 30m |
| 2026-07-01 | IAH → JAX | Jul 1, 00:50 UTC | Jul 1, 02:15 UTC | 1h 25m |
| 2026-06-30 | - | Jun 30, 19:15 UTC | Jun 30, 22:40 UTC | 3h 25m |
| 2026-06-30 | PDX → ORD | Jun 30, 18:41 UTC | Jun 30, 22:35 UTC | 3h 54m |
| 2026-06-29 | DEN → PDX | Jun 29, 03:44 UTC | Jun 29, 05:54 UTC | 2h 10m |
| 2026-06-28 | - | Jun 28, 23:25 UTC | Jun 29, 01:34 UTC | 2h 10m |
| 2026-06-28 | DEN → PDX | Jun 28, 19:49 UTC | Jun 28, 21:59 UTC | 2h 10m |
| 2026-06-28 | DEN → DEN | Jun 28, 13:59 UTC | Jun 28, 18:00 UTC | 4h 0m |
| 2026-06-28 | HNL → EWR | Jun 28, 10:19 UTC | Jun 28, 12:05 UTC | 1h 45m |
| 2026-06-28 | DEN → STL | Jun 28, 03:10 UTC | Jun 28, 04:44 UTC | 1h 34m |
| 2026-06-28 | - | Jun 28, 03:09 UTC | Jun 28, 04:44 UTC | 1h 35m |
| 2026-06-27 | - | Jun 27, 23:29 UTC | Jun 28, 01:29 UTC | 2h 0m |
| 2026-06-27 | SMF → DEN | Jun 27, 23:28 UTC | Jun 28, 01:21 UTC | 1h 53m |
| 2026-06-27 | DEN → SMF | Jun 27, 20:04 UTC | Jun 27, 22:20 UTC | 2h 15m |
| 2026-06-27 | BUR → DEN | Jun 27, 16:20 UTC | Jun 27, 18:04 UTC | 1h 45m |
| 2026-06-27 | DEN → BUR | Jun 27, 02:14 UTC | Jun 27, 04:19 UTC | 2h 5m |
| 2026-06-26 | - | Jun 26, 21:30 UTC | Jun 26, 23:55 UTC | 2h 25m |
| 2026-06-26 | LAX → DEN | Jun 26, 17:52 UTC | Jun 26, 20:02 UTC | 2h 10m |
| 2026-06-26 | LAX → DEN | Jun 26, 17:54 UTC | Jun 26, 20:00 UTC | 2h 5m |
| 2026-06-26 | - | Jun 26, 13:59 UTC | Jun 26, 15:49 UTC | 1h 50m |
Specifications
| Registration | N18243 |
| Aircraft type | BOEING 737-800 (B738) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A14B1A · 50245432 (octal) |
Looking for transponder-level data? View the Mode-S A14B1A page for country allocation, callsign history, and ADS-B signal details.
N18243 frequently asked
What type of aircraft is N18243?
N18243 is a BOEING 737-800 (ICAO type code B738).
Who operates N18243?
N18243 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N18243?
N18243 broadcasts on Mode-S (ICAO 24-bit) address A14B1A (octal 50245432). View the transponder page.
What route does N18243 typically fly?
N18243 most frequently flies between DEN and PDX based on observed flights.
Where is N18243 right now?
N18243 is currently airborne flying as UAL550. Live position is shown on the map above.