UA 1338 then SQ 7921 at DFW
Houston → Dallas-Fort Worth → Anchorage
Timetable, Dallas-Fort Worth time
23:26UA 1338 from Houston at the gate
03:15SQ 7921 to Anchorage leaves the gate
3 h 49 apart on the timetable, overnight
The last days
UA 1338 and SQ 7921 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.