Route guide

Washington to Miami (IAD-MIA): Nonstop Upgrade & Award Space

United Airlines, Frontier Airlines, and American Airlines fly the IAD to MIA nonstop about 8 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every IAD to MIA departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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8
Nonstop flights a week
924 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every IAD to MIA 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 Washington to Miami 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 IAD to MIA 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 IAD to MIA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Washington to Miami nonstop

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

  • United Airlines
  • Frontier Airlines
  • American Airlines
See IAD to MIA on the interactive map →

Frequently asked questions about IAD to MIA

How far is Miami from Washington?
IAD to MIA covers about 924 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from IAD to MIA?
United Airlines, Frontier Airlines, and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from IAD to MIA?
About 8 nonstop flights a week run between Washington and Miami in the current schedule, operated by United Airlines, Frontier Airlines, and American Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on IAD to MIA?
Open the IAD to MIA calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Washington to Miami route, and 2LNR will notify you when space opens. It's free to start.

Never miss IAD to MIA upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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