This week United Airlines filed flights between Lagos, Nigeria and Washington Dulles from November 29, 2021. Initially, these flights were announced in September 2020, with a scheduled launch date in the Spring of 2021. However, United Airlines received Nigerian government approval for the route to the Nigerian city recently.

On the leg from Washington Dulles to Lagos, United Airlines Flight 612 departs at 6:30 P.M. and arrives at 10:40 A.M, for a total flight time of 10 hours and 10 minutes. The aircraft sits in Lagos for 13 hours, before flying the return leg from Lagos to Washington Dulles. The Chicago-based carrier departs at 11:50 P.M. and arrives at 6 A.M, for a total flight time of 12 hours and 10 minutes.

On the departure leg to Lagos, United Airlines operates on Mondays, Thursdays and Saturdays, arriving on the next day. Meanwhile, on the return leg, United Airlines operates on Tuesdays, Fridays and Sundays, arriving the next day. 

These flights will utilize United Airlines’ Boeing 787-8 Dreamliner, which features a new retrofit seating 243 passengers. Specifically, the aircraft includes 28 seats in a 1-2-1 configuration in its Polaris business class; 21 seats in a 2-3-2 configuration in its Premium Plus cabin; 36 seats in a 3-3-3 configuration in its economy plus cabin and 158 seats in a 3-3-3 configuration in its economy class cabin.

https://airlinegeeks.com/2021/09/17/united-airlines-announces-the-start-of-lagos-nigeria-services/

I wish dey can return back the IAH-LOS trip.