Green Bay to Detroit (GRB-DTW): nonstop upgrade & award space

Delta Air Lines flies nonstop between Green Bay (GRB) and Detroit (DTW), roughly 27 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, on every GRB to DTW 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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27
Nonstop flights a week
287 mi
Nonstop distance
Free
To get started

Green Bay to Detroit flight schedule

Scheduled nonstop departures for GRB to DTW, 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 Green Bay (GRB) to Detroit (DTW)
Date Flight Airline Departs GRB Arrives DTW Duration Aircraft
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3979Delta Air Lines18:0020:201h 20mCR9
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3979Delta Air Lines18:0020:201h 20mCR9
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3979Delta Air Lines18:0020:201h 20mCR9
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3979Delta Air Lines18:0020:201h 20mCR9
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 3984Delta Air Lines07:0009:211h 21mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3984Delta Air Lines06:5709:201h 23mCR9
DL 4059Delta Air Lines11:0213:201h 18mCR9
DL 4678Delta Air Lines17:3720:011h 24mCR7
DL 3979Delta Air Lines18:0020:201h 20mCR9

Showing all 25 scheduled GRB to DTW departures across the next 7 days with service. Later dates are 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 GRB to DTW date on the interactive map

Confirmed upgrade & award space on GRB to DTW departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Green Bay to Detroit 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 GRB to DTW 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 GRB to DTW on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Green Bay to Detroit nonstop

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

See GRB to DTW on the interactive map →

Frequently asked questions about GRB to DTW

How far is Detroit from Green Bay?
GRB to DTW covers about 287 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 GRB to DTW?
Delta Air Lines is currently the only airline flying GRB to DTW nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from GRB to DTW?
About 27 nonstop flights a week run between Green Bay and Detroit in the current schedule, operated by Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from GRB to DTW depart?
Scheduled GRB to DTW nonstops in the next 7 days with service leave between 06:57 and 18:00, local time at Green Bay. 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 GRB to DTW?
Open the GRB to DTW route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, 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 GRB to DTW 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