N37420 · BOEING 737-900

Manufacturer and model

BOEING 737-900

Operator

United Airlines (UAL)

First seen

2026-08-10

Last seen

2026-09-27

Flights over the last 30 days

106

Recent flights

• UAL3793 2026-09-27
• UAL3752 Washington Dulles International Airport (IAD/KIAD) → 2026-09-27
• UAL587 Chicago O'Hare International Airport (ORD/KORD) → Washington Dulles International Airport (IAD/KIAD) 2026-09-26
• UAL249 Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-26
• UAL1269 Chicago O'Hare International Airport (ORD/KORD) → Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) 2026-09-26

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