flight Aircraft
N12221
BOEING 737-800
Operated by UNITED AIRLINES INC
- Tail number
- N12221
- Type
- B738
- Mode-S
- A05DD8
Not currently tracked · last seen 23h ago
- Flights observed
- 5
- Avg flight time
- 1h 36m
- Typical route
- DEN → ORD
- Last seen
- 23h ago
Last known area
Recent flights last 5
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-04-13 | - | Apr 13, 21:41 UTC | Apr 14, 00:52 UTC | 3h 11m |
| 2026-04-13 | DEN → ORD | Apr 13, 12:20 UTC | Apr 13, 12:50 UTC | 30m |
| 2026-04-13 | DEN → ORD | Apr 13, 11:55 UTC | Apr 13, 12:50 UTC | 55m |
| 2026-04-13 | DEN → ORD | Apr 13, 11:14 UTC | Apr 13, 13:14 UTC | 2h 0m |
| 2026-04-13 | DEN → EWR | Apr 13, 04:50 UTC | Apr 13, 06:15 UTC | 1h 25m |
Specifications
| Registration | N12221 |
| Aircraft type | BOEING 737-800 (B738) |
| Operator | UNITED AIRLINES INC |
| Mode-S code | A05DD8 · 50056730 (octal) |
Looking for transponder-level data? View the Mode-S A05DD8 page for country allocation, callsign history, and ADS-B signal details.
N12221 frequently asked
What type of aircraft is N12221?
N12221 is a BOEING 737-800 (ICAO type code B738).
Who operates N12221?
N12221 is operated by UNITED AIRLINES INC.
What is the Mode-S transponder code for N12221?
N12221 broadcasts on Mode-S (ICAO 24-bit) address A05DD8 (octal 50056730). View the transponder page.
What route does N12221 typically fly?
N12221 most frequently flies between DEN and ORD based on observed flights.
Where is N12221 right now?
N12221 is not currently being tracked; last seen 23h ago.