N73251 · BOEING 737-800

Manufacturer and model

BOEING 737-800

Operator

United Airlines (UAL)

First seen

2026-08-10

Last seen

2026-09-26

Flights over the last 30 days

113

Recent flights

• UAL1737 Kansas City International Airport (MCI/KMCI) → Denver International Airport (DEN/KDEN) 2026-09-26
• UAL586 Denver International Airport (DEN/KDEN) → Kansas City International Airport (MCI/KMCI) 2026-09-25
• UAL3929 Buffalo Niagara International Airport (BUF/KBUF) → Denver International Airport (DEN/KDEN) 2026-09-25
• UAL248 Denver International Airport (DEN/KDEN) → Buffalo Niagara International Airport (BUF/KBUF) 2026-09-20
• UAL2187 Hollywood Burbank/Bob Hope Airport (BUR/KBUR) → Denver International Airport (DEN/KDEN) 2026-09-19

Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.