Detroit to Buffalo (DTW-BUF): nonstop upgrade & award space

Delta Air Lines and American Airlines fly nonstop between Detroit (DTW) and Buffalo (BUF), roughly 43 times a week. With Delta Air Lines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and American Airlines, on every DTW to BUF departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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43
Nonstop flights a week
241 mi
Nonstop distance
Free
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Detroit to Buffalo flight schedule

Scheduled nonstop departures for DTW to BUF, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Detroit (DTW) to Buffalo (BUF)
Date Flight Airline Departs DTW Arrives BUF Duration Aircraft
DL 3863Delta Air Lines07:0708:241h 17mCR9
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9
DL 4636Delta Air Lines10:3011:401h 10mCR9
DL 3870Delta Air Lines14:0015:131h 13mCR9
DL 4637Delta Air Lines17:4518:571h 12mCR9
DL 5232Delta Air Lines17:5019:081h 18mCR7
DL 978Delta Air Lines21:3022:351h 5m319
DL 3863Delta Air Lines07:0708:241h 17mCR9
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9
DL 4636Delta Air Lines10:3011:401h 10mCR9
DL 3870Delta Air Lines14:0015:131h 13mCR9
DL 4637Delta Air Lines17:4518:571h 12mCR9
DL 5232Delta Air Lines17:5019:081h 18mCR7
DL 978Delta Air Lines21:3022:351h 5m319
DL 3863Delta Air Lines07:0708:241h 17mCR9
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9
DL 4636Delta Air Lines10:3011:401h 10mCR9
DL 3870Delta Air Lines14:0015:131h 13mCR9
DL 4637Delta Air Lines17:4518:571h 12mCR9
DL 5232Delta Air Lines17:5019:081h 18mCR7
DL 978Delta Air Lines21:3022:351h 5m319
DL 3863Delta Air Lines07:0708:241h 17mCR9
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9
DL 4636Delta Air Lines10:3011:401h 10mCR9
DL 3870Delta Air Lines14:0015:131h 13mCR9
DL 4637Delta Air Lines17:4518:571h 12mCR9
DL 5232Delta Air Lines17:5019:081h 18mCR7
DL 978Delta Air Lines21:3022:351h 5m319
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9
DL 4636Delta Air Lines10:3011:401h 10mCR9
DL 3870Delta Air Lines14:0015:131h 13mCR9
DL 4642Delta Air Lines14:0015:111h 11mCR9
DL 978Delta Air Lines21:3022:351h 5m319
DL 4639Delta Air Lines07:1008:231h 13mCR9
DL 3861Delta Air Lines10:0511:221h 17mCR9

Showing the first 40 of 51 scheduled DTW to BUF departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every DTW to BUF date on the interactive map

Confirmed upgrade & award space on DTW to BUF departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines and American Airlines, segment by segment and date by date. Open the calendar for Detroit to Buffalo to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each DTW to BUF 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 DTW to BUF on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Detroit to Buffalo nonstop

Carriers operating DTW to BUF nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See DTW to BUF on the interactive map →

Frequently asked questions about DTW to BUF

How far is Buffalo from Detroit?
DTW to BUF covers about 241 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from DTW to BUF?
Delta Air Lines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and American Airlines.
How many flights a week are there from DTW to BUF?
About 43 nonstop flights a week run between Detroit and Buffalo in the current schedule, operated by Delta Air Lines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from DTW to BUF depart?
Scheduled DTW to BUF nonstops in the next 7 days with service leave between 07:07 and 21:30, local time at Detroit. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on DTW to BUF?
Open the DTW to BUF route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines and American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss DTW to BUF upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free