FB438 Frankfurt am MainFRA · 13:55 SofiaSOF · 17:15
FB438 by Bulgaria Air flies from Frankfurt am Main (FRA) to Sofia (SOF).
scheduled from FRA
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at FRA and SOF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at Frankfurt am Main
ForecastFri 30 Oct, local date
- 34% chance of fog
- Chance a departure is cancelled
- 1.8%usually 2.7%
- Chance a departure leaves 60+ min late
- 5.8%usually 5.0%
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 240 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Sofia
ForecastFri 30 Oct, local date
- Chance a departure is cancelled
- 0.5%usually 0.5%
- Chance a departure leaves 60+ min late
- 6.6%usually 4.5%
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 82 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How FB438 actually runs
Pro Flight Search has tracked every published board update for FB438 across the FRA and SOF boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -15 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how FB438 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: LZVIE.
Board clocks recorded as FRA and SOF published them.
Planning around FB438? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — FB438 Frankfurt am Main to Sofia on-time performance, measured from the FRA and SOF airport boards.
https://proflightsearch.com/flight/FB438