Atlanta to Harrisburg (ATL-MDT): nonstop upgrade & award space

Delta Air Lines flies nonstop between Atlanta (ATL) and Harrisburg (MDT), roughly 25 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 ATL to MDT 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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25
Nonstop flights a week
620 mi
Nonstop distance
Free
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Atlanta to Harrisburg flight schedule

Scheduled nonstop departures for ATL to MDT, 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 Atlanta (ATL) to Harrisburg (MDT)
Date Flight Airline Departs ATL Arrives MDT Duration Aircraft
DL 1248Delta Air Lines09:5011:441h 54m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1248Delta Air Lines09:5011:441h 54m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1248Delta Air Lines09:5011:441h 54m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1248Delta Air Lines09:5011:441h 54m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1248Delta Air Lines09:5011:441h 54m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1248Delta Air Lines09:1111:031h 52m717
DL 1354Delta Air Lines12:2514:151h 50m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717
DL 1354Delta Air Lines12:2514:151h 50m717
DL 2857Delta Air Lines15:3017:231h 53m717
DL 1283Delta Air Lines21:4923:401h 51m717

Showing all 22 scheduled ATL to MDT 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 ATL to MDT date on the interactive map

Confirmed upgrade & award space on ATL to MDT departures

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

Airlines flying Atlanta to Harrisburg nonstop

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

See ATL to MDT on the interactive map →

Frequently asked questions about ATL to MDT

How far is Harrisburg from Atlanta?
ATL to MDT covers about 620 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 ATL to MDT?
Delta Air Lines is currently the only airline flying ATL to MDT nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from ATL to MDT?
About 25 nonstop flights a week run between Atlanta and Harrisburg 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 ATL to MDT depart?
Scheduled ATL to MDT nonstops in the next 7 days with service leave between 09:11 and 21:49, local time at Atlanta. 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 ATL to MDT?
Open the ATL to MDT 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 ATL to MDT 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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