N431UA · AIRBUS A-320

Manufacturer and model

AIRBUS A-320

Operator

United Airlines (UAL)

First seen

2026-08-10

Last seen

2026-09-24

Flights over the last 30 days

144

Recent flights

• UAL2459 St. Louis Lambert International Airport (STL/KSTL) → Denver International Airport (DEN/KDEN) 2026-09-24
• UAL1422 Denver International Airport (DEN/KDEN) → St. Louis Lambert International Airport (STL/KSTL) 2026-09-23
• UAL1023 Sacramento International Airport (SMF/KSMF) → Denver International Airport (DEN/KDEN) 2026-09-23
• UAL2149 Denver International Airport (DEN/KDEN) → Sacramento International Airport (SMF/KSMF) 2026-09-23
• UAL2041 Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP/KMSP) → Denver International Airport (DEN/KDEN) 2026-09-23

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