Route guide

BUC to Mount Isa (BUC-ISA): Nonstop Upgrade & Award Space

Rex Airlines flies nonstop from BUC to Mount Isa (ISA) just twice 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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2
Nonstop flights a week
202 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every BUC to ISA 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 BUC to Mount Isa 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 BUC to ISA 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 BUC to ISA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying BUC to Mount Isa nonstop

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

  • Rex Airlines
See BUC to ISA on the interactive map →

Frequently asked questions about BUC to ISA

How far is Mount Isa from BUC?
BUC to ISA covers about 202 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BUC to ISA?
Rex Airlines is currently the only airline flying BUC to ISA nonstop. 2LNR tracks confirmed upgrade and award space on every Rex Airlines departure.
How often does BUC to ISA operate?
The nonstop currently runs twice a week, on Rex Airlines. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on BUC to ISA?
Open the BUC to ISA calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the BUC to Mount Isa route, and 2LNR will notify you when space opens. It's free to start.

Never miss BUC to ISA upgrade or award space

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

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