Route guide

Midway to Flint (SFB-FNT): Nonstop Upgrade & Award Space

Allegiant Air flies nonstop from Midway (SFB) to Flint (FNT) just once a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

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

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1
Nonstop flights a week
990 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every SFB to FNT 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 Midway to Flint 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 SFB to FNT 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 SFB to FNT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Midway to Flint nonstop

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

  • Allegiant Air
See SFB to FNT on the interactive map →

Frequently asked questions about SFB to FNT

How far is Flint from Midway?
SFB to FNT covers about 990 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SFB to FNT?
Allegiant Air is currently the only airline flying SFB to FNT nonstop. 2LNR tracks confirmed upgrade and award space on every Allegiant Air departure.
How often does SFB to FNT operate?
The nonstop currently runs once a week, on Allegiant Air. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on SFB to FNT?
Open the SFB to FNT calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Midway to Flint route, and 2LNR will notify you when space opens. It's free to start.

Never miss SFB to FNT upgrade or award space

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

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