When you land late at Haneda, optimize for the last reliable route and a simpler first night in or near Shinjuku.
Fast decision card
Use this before reading the full guide.
Do first
Check the exact last train, airport bus, and hotel check-in cutoff before stopping for food.
Choose the route with the fewest moving parts, even if it costs a little more. If the night is unstable, bias toward a Shinjuku-area or one-transfer hotel for the first sleep.
Avoid
Assuming Haneda late night is always easy without checking the exact timing.
Crossing the city for a slightly cheaper room before food and check-in are secure. Deciding the route only after baggage, ATM, or dinner.