Books like Underground Airlines
Ben H. Winters
Underground Airlines is 336 pages, about 6 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
Killing Floor 9.2 h 
Origin 11.6 h 
The Girl in Room 105 6.2 h 
The Third Option 8.9 h 
Consumed 5.9 h 
A Wanted Man 8.2 h 
Guest List 6.2 h 
When No One Is Watching 7.0 h 
Recursion 6.5 h 
The Visitor 8.9 h 
Billy Summers 11.2 h 
The Seven Deaths of Evelyn Hardcastle 9.2 h Bar height shows length. Estimated at 250 words a minute.