SOF
Sofia
FRA
Frankfurt
Sofia to Frankfurt
Flight Compensation
Sofia to Frankfurt — Air Bulgaria's German hub connection.
SOF–FRA connects Sofia with Frankfurt, operated by Air Bulgaria and Lufthansa. EC261 applies with up to €400 compensation.
€400
Max compensation (EC261 tier 2)
1,680 km
Route distance
2h 50m
Scheduled flight time
Max Compensation
€400
per passenger · SOF departures
1,500–3,500 km · Medium-haul
Average processing: 45 days
Free check · 5 years limit · No fee unless we win
01Route Intelligence
SOF–FRA is a business route. Average delay 38 minutes.
Our Success Rate
71%
on SOF–FRA claims
Average Payout
€360
per passenger
Peak Disruption Periods
June – August
Summer peak
December – January
Holiday peak
Key Legal Nuance on This Route
What Makes SOF–FRA Claims Different
EC261 applies. Bulgarian 5-year limitation period.
02Airlines on This Route
Who operates SOF–FRA, their delay record, and how they resist claims.
Air Bulgaria
FBAvg Delay
38min
Claim Success
71%
How FB Resists Claims on This Route
Air Bulgaria cites FRA congestion — foreseeable on a scheduled route.
03Disruption Causes & Legal Status
What actually causes delays on SOF–FRA — and whether each is extraordinary under EC261.
FRA Congestion
~35% of delays
Frankfurt Airport is one of Europe's busiest hubs.
Foreseeable. Claim valid.
04How We Handle SOF–FRA Claims
You submit your flight details
2 minutes. Flight number, date, and what happened. We identify the operating carrier automatically — critical for codeshare routes.
We verify the SOF–FRA specific cause
File with Air Bulgaria citing EC261.
Submission, escalation, and payment
Escalate to CAA Bulgaria if rejected.
05EC261 on SOF–FRA
EC261 applies because SOF is a EU airport
Your departure airport (SOF, Sofia) is in Bulgaria. EC261 covers all flights departing EU airports, regardless of airline nationality or destination. The fact that your destination (FRA, Frankfurt) is in Germany does not change the applicable regulation.
Enforcement Body
CAA Bulgaria (Главна дирекция Гражданска въздухоплавателна администрация)
Claim Time Limit
5 years from flight date
06Frequently Asked Questions
Real questions from passengers who flew SOF–FRA.
Is EC261 compensation available for SOF–FRA delays?
Yes. At 1,680 km, you're entitled to €400 for delays of 3+ hours.
Ready to Claim?
Start Your SOF → FRA Claim
No win, no fee. We verify the exact delay cause, identify the operating carrier, and submit directly to CAA Bulgaria (Главна дирекция Гражданска въздухоплавателна администрация) if needed.