Join Date: Sep 2006
Location: Santo Domingo, Dom. Rep. / Washington, DC
Programs: AA PPro/DL PLT, PPass, Marriott / Hilton Gold, JetBlue Mosaic, Hertz Presidents Circle, Amex Plat
Posts: 4,630
For a flight departing at 4:20 PM, immigration and security will not be a big issue (at least it wasn't when departing on AF026 last summer). There aren't many long-haul departures during that timeframe so your timing seems to be fine.