N21723 · BOEING 737-700
- Manufacturer and model
- BOEING 737-700
- Operator
- United Airlines (UAL)
- First seen
- Last seen
- Flights over the last 30 days
- 75
Recent flights
- UAL1215 Albany International Airport (ALB/KALB) → Chicago O'Hare International Airport (ORD/KORD)
- UAL1634 Chicago O'Hare International Airport (ORD/KORD) → Albany International Airport (ALB/KALB)
- UAL1634 Dallas Fort Worth International Airport (DFW/KDFW) → Chicago O'Hare International Airport (ORD/KORD)
- UAL539 Chicago O'Hare International Airport (ORD/KORD) → Dallas Fort Worth International Airport (DFW/KDFW)
- UAL1009 Santa Barbara Municipal Airport (SBA/KSBA) → Chicago O'Hare International Airport (ORD/KORD)
Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.