ASL4040 is operated by between Belgrade Nikola Tesla Airport (LYBE) and Sofia Airport (LBSF). The flight is most often flown by a AIRBUS-BOMBARDIER Airbus A220-300. Typical block time is 1h 13m. SkyMeter has observed 8 legs of this flight number via ADS-B.
✈
FLIGHTS
8
last 90 days
⏱
AVG DURATION
1h 13m
tracked time
📅
SERVICE PERIOD
05/30/2025 → 08/11/2026
first → last seen
🗺
ROUTES / TYPES
4 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each
flag, not the total event count. See /incidents for individual events.
Recent flights
Newest 30 operations of ASL4040
07/13/2026
48m
No alerts
07/12/2026
1h 8m
No alerts
07/12/2026
1h 57m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window