JU623Air Serbia · LJU → BEG
live · 2h ago
Route confirmed Air Serbia

JU623 LjubljanaLJU · 15:15 BelgradeBEG · 16:45

JU623 by Air Serbia flies from Ljubljana (LJU) to Belgrade (BEG) for the Mon, Oct 19 departure.

Right nowLanded in Belgrade · today
16:35

arrived at BEG · 10 min early

Typical gate push+11 minmedian posted departure
Typical arrival−2 minmedian over 4 operations
Wins back in air~13 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-20
+0 gate · −10 arrival
10-19
+0 gate · −10 arrival
10-18
+11 gate · −2 arrival
10-17
+52 gate · +47 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
LJULjubljanaOn-time likelyLJU delay board →
BEGBelgradeOn-time likelyBEG delay board →
LJU→BEGevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
43%Chance of 15+ min delay
0.7%Chance of cancellation

Conditions at LJU and BEG 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Ljubljana to Belgrade flights today

same route · Air Serbia
JU621departs 09:25
JU625departs 20:40

If JU623 is cancelled, these are the other Air Serbia nonstop flights from Ljubljana to Belgrade on the same day, with scheduled departure times in LJU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How JU623 actually runs

Pro Flight Search has tracked every published board update for JU623 across the LJU and BEG boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JU623 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-20LJU 15:15 (+0)BEG 16:45 16:35 (−10)
10-19LJU 15:15 (+0)BEG 16:45 16:35 (−10)
10-18LJU 14:50 15:01 (+11)BEG 16:20 16:18 (−2)
10-17LJU 15:15 16:07 (+52)BEG 16:45 17:32 (+47)

Aircraft

Recent tails: YU-ALX, YU-ALZ, YU-ASA.

Board clocks recorded as LJU and BEG published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — JU623 Ljubljana to Belgrade on-time performance, measured from the LJU and BEG airport boards.

Canonical URL
https://proflightsearch.com/flight/JU623
How we measure this →