KL623KLM · AMS → ATL
live · 2h ago
Route confirmed KLM

KL623 AmsterdamAMS · 10:00 AtlantaATL · 14:35

KL623 by KLM flies from Amsterdam (AMS) to Atlanta (ATL) for the Wed, Oct 28 departure.

Right nowLanded in Atlanta · today
14:38

arrived at ATL · 3 min late

Typical gate push+31 minmedian posted departure
Typical arrival−23 minmedian over 5 operations
Wins back in air~54 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-29
+38 gate · +3 arrival
10-28
+38 gate · +5 arrival
10-27
+31 gate · −36 arrival
10-26
+19 gate · −23 arrival
10-25
+23 gate · −32 arrival

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

The last 30 days

arrival outcome per operation

median arrival −23 min · 0 cancelled · 5 operations tracked

The route today

live boards
AMSAmsterdamOn-time likelyAMS delay board →
ATLAtlantaOn-time likelyATL delay board →
AMS→ATLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
28%Chance of 15+ min delay
2.5%Chance of cancellation
-1 minAvg hub delay right now

Conditions at AMS and ATL 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 on this route

Forecast

Amsterdam to Atlanta with KLM · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.9%0.9× usual
Chance a departure leaves 60+ min late
3.6%1.0× usual

Forecast weather: 41% chance of fog at Amsterdam

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Amsterdam to Atlanta flights today

same route · KLM
KL621departs 17:05

If KL623 is cancelled, this is the other KLM nonstop flight from Amsterdam to Atlanta on the same day, with scheduled departure times in AMS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How KL623 actually runs

Pro Flight Search has tracked every published board update for KL623 across the AMS and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how KL623 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
10-29AMS 10:00 10:38 (+38)ATL 14:35 14:38 (+3)
10-28AMS 10:00 10:38 (+38)ATL 14:35 14:40 (+5)
10-27AMS 10:00 10:31 (+31)ATL 14:35 13:59 (−36)
10-26AMS 10:00 10:19 (+19)ATL 14:35 14:12 (−23)
10-25AMS 10:00 10:23 (+23)ATL 14:35 14:03 (−32)

Aircraft

Recent tails: PH-BKA, PH-BKM, PH-BKF, PH-BQB.

Board clocks recorded as AMS and ATL 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 — KL623 Amsterdam to Atlanta on-time performance, measured from the AMS and ATL airport boards.

Canonical URL
https://proflightsearch.com/flight/KL623
How we measure this →