N23721 — 737NG 724/W of United Airlines INC
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Live status
Last seen on radar: July 13, 2026.
Facts
- Type
- 737NG 724/W
- Manufacturer
- Boeing
- Operator
- United Airlines INC
- Country
- United States
- Built
- 1999
- Serial (MSN)
- 28940
- ICAO hex
- A22539
Rarity & spotters
★★★☆☆N23721 is one of 154 737NG 724/W in our database.
Activity
From our radar history of the last 7 days.
- Flights
- 10
- Airborne time
- 6.3 h
- Max altitude
- 40,000 ft
- Max speed
- 481 kt
- Typical cruise
- 34,212 ft · 442 kt
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Airborne minutes per weekday (UTC)
00
04
08
12
16
20
Airborne minutes per hour of day (UTC)
More aircraft operated by United Airlines INC
More 737NG 724/W
Track it live on the map
See N23721 and the surrounding airspace in real time in the spotter radar — get the Aero.Academy app now.