Route guide

Sredets to Petrvald (BOJ-OSR): Nonstop Upgrade & Award Space

African Safari Airways flies nonstop from Sredets (BOJ) to Petrvald (OSR) 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 22, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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2
Nonstop flights a week
667 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BOJ to OSR 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 Sredets to Petrvald 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 BOJ to OSR 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 BOJ to OSR on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sredets to Petrvald nonstop

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

  • African Safari Airways
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Frequently asked questions about BOJ to OSR

How far is Petrvald from Sredets?
BOJ to OSR covers about 667 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BOJ to OSR?
African Safari Airways is currently the only airline flying BOJ to OSR nonstop. 2LNR tracks confirmed upgrade and award space on every African Safari Airways departure.
How often does BOJ to OSR operate?
The nonstop currently runs twice a week, on African Safari Airways. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on BOJ to OSR?
Open the BOJ to OSR calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Sredets to Petrvald route, and 2LNR will notify you when space opens. It's free to start.

Never miss BOJ to OSR upgrade or award space

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

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