Dhaka to Sylhet (DAC-ZYL): Nonstop Upgrade & Award Space
British International Helicopters and Biman Bangladesh Airlines fly nonstop between Dhaka (DAC) and Sylhet (ZYL), roughly 71 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every DAC to ZYL departure, so you know which flights have space before you book.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every DAC to ZYL departure
2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Dhaka to Sylhet to see which departures have real space, or watch the route and get alerted when space opens.
See real availability
Confirmed upgrade and award seats on each DAC to ZYL departure, checked against live inventory so you know what is open before you book.
Set an alert
Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.
Plan on the map
See DAC to ZYL on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Dhaka to Sylhet nonstop
Carriers operating DAC to ZYL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- British International Helicopters
- Biman Bangladesh Airlines
Frequently asked questions about DAC to ZYL
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