N63899 · BOEING 737-900

Manufacturer and model

BOEING 737-900

Operator

United Airlines (UAL)

First seen

2026-08-10

Last seen

2026-09-28

Flights over the last 30 days

126

Recent flights

• UAL2744 2026-09-28
• UAL1033 Tocumen International Airport (PTY/MPTO) → George Bush Intercontinental Airport (IAH/KIAH) 2026-09-28
• UAL1033 Tocumen International Airport (PTY/MPTO) → George Bush Intercontinental Airport (IAH/KIAH) 2026-09-27
• UAL1916 George Bush Intercontinental Airport (IAH/KIAH) → Tocumen International Airport (PTY/MPTO) 2026-09-27
• UAL2491 Tampa International Airport (TPA/KTPA) → George Bush Intercontinental Airport (IAH/KIAH) 2026-09-27

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