Detroit to Houston (DTW-IAH): nonstop upgrade & award space

United Airlines, Delta Air Lines, and Frontier Airlines fly nonstop between Detroit (DTW) and Houston (IAH), roughly 56 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every DTW to IAH 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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56
Nonstop flights a week
1,075 mi
Nonstop distance
Free
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Detroit to Houston flight schedule

Scheduled nonstop departures for DTW to IAH, 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 Houston (IAH)
Date Flight Airline Departs DTW Arrives IAH Duration Aircraft
UA 2839United Airlines06:1508:173h 2m7M8
DL 1043Delta Air Lines08:3510:302h 55m319
UA 6251United Airlines10:5513:003h 5mE7W
DL 1307Delta Air Lines12:2914:242h 55m319
F9 1957Frontier Airlines12:4615:033h 17m321
DL 1718Delta Air Lines16:1518:283h 13m319
DL 1633Delta Air Lines20:1522:052h 50m319
UA 5697United Airlines06:1508:303h 15mE7W
DL 1043Delta Air Lines08:3510:302h 55m319
UA 6251United Airlines10:5513:003h 5mE7W
DL 1307Delta Air Lines12:2914:242h 55m319
F9 1957Frontier Airlines14:0016:023h 2m320
DL 1718Delta Air Lines16:1518:283h 13m319
UA 4034United Airlines18:4820:553h 7mE7W
DL 1633Delta Air Lines20:1522:052h 50m319
UA 2839United Airlines06:1508:173h 2m7M8
DL 1043Delta Air Lines08:3510:302h 55m319
UA 6251United Airlines10:5513:003h 5mE7W
DL 1307Delta Air Lines12:2914:242h 55m319
F9 1957Frontier Airlines14:0016:023h 2m320
DL 1718Delta Air Lines16:1518:283h 13m319
UA 4034United Airlines18:4820:553h 7mE7W
DL 1633Delta Air Lines20:1522:052h 50m319
UA 2839United Airlines06:1508:173h 2m7M8
DL 1043Delta Air Lines08:3510:302h 55m319
DL 1307Delta Air Lines12:2914:242h 55m319
F9 1957Frontier Airlines12:4615:033h 17m321
UA 6178United Airlines15:0017:123h 12mE7W
UA 4034United Airlines18:4820:553h 7mE7W
DL 1633Delta Air Lines20:1522:052h 50m319
UA 2839United Airlines06:1508:173h 2m7M8
DL 1043Delta Air Lines08:3510:302h 55m319
UA 6251United Airlines10:5513:003h 5mE7W
DL 1307Delta Air Lines12:2914:242h 55m319
F9 1957Frontier Airlines14:0016:023h 2m320
DL 1718Delta Air Lines16:1518:283h 13m319
UA 4034United Airlines18:4820:553h 7mE7W
DL 1633Delta Air Lines20:1522:052h 50m319
UA 2839United Airlines06:1508:173h 2m7M8
DL 1043Delta Air Lines08:3510:302h 55m319

Showing the first 40 of 53 scheduled DTW to IAH 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 IAH date on the interactive map

Confirmed upgrade & award space on DTW to IAH departures

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

Airlines flying Detroit to Houston nonstop

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

See DTW to IAH on the interactive map →

Frequently asked questions about DTW to IAH

How far is Houston from Detroit?
DTW to IAH covers about 1,075 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 IAH?
United Airlines, Delta Air Lines, and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from DTW to IAH?
About 56 nonstop flights a week run between Detroit and Houston in the current schedule, operated by United Airlines, Delta Air Lines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from DTW to IAH depart?
Scheduled DTW to IAH nonstops in the next 7 days with service leave between 06:15 and 20:15, 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 IAH?
Open the DTW to IAH 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 DTW to IAH 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.

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