KL1521KLM · AMS → BCN
live · 21m ago
Route confirmed KLM

KL1521 AmsterdamAMS · 20:55 BarcelonaBCN · 23:05

KL1521 by KLM flies from Amsterdam (AMS) to Barcelona (BCN) for the Fri, Oct 30 departure.

Right nowExpected in Barcelona · today
23:05

arrival expected at BCN · on schedule

Typical gate push+20 minmedian posted departure
Wins back in air~25 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
10-30
+21 gate
10-29
+21 gate
10-28
+19 gate · −4 arrival
10-27
+8 gate · −6 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
AMSAmsterdamHigh riskAMS delay board →
BCNBarcelonaOn-time likelyBCN delay board →
AMS→BCNevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
51%Chance of 15+ min delay
7.6%Chance of cancellation
+34 minTypical airport delay in this weather

Driven mainly by BCN (Barcelona), currently flying MVFR (marginal visual). These figures come from both airports' records 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 Barcelona with KLM · Sat 31 Oct, local date

Outlook: below usual
Chance a departure is cancelled
1.1%0.6× usual
Chance a departure leaves 60+ min late
6.4%0.6× usual

Forecast weather: 61% chance of fog at Amsterdam

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 6 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 Barcelona flights today

same route · KLM
KL1497departs 06:35
KL1511departs 08:05
KL1513departs 10:05
KL1515departs 12:50
KL1517departs 14:15
KL1519departs 16:45

If KL1521 is cancelled, these are the other KLM nonstop flights from Amsterdam to Barcelona on the same day, with scheduled departure times in AMS local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How KL1521 actually runs

Pro Flight Search has tracked every published board update for KL1521 across the AMS and BCN boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 1 confirmed landing · 1/1 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 KL1521 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
10-30AMS 20:55 21:16 (+21)BCN 23:05
10-29AMS 20:55 21:16 (+21)BCN 23:05
10-28AMS 20:50 21:09 (+19)BCN 23:05 23:01 (−4)
10-27AMS 20:50 20:58 (+8)BCN 23:05 22:59 (−6)

Aircraft

Recent tails: PH-BCG, PH-BCK, PH-BXI.

Board clocks recorded as AMS and BCN published them.

Planning around KL1521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: KL1521 Amsterdam to Barcelona on-time performance, measured from the AMS and BCN airport boards.

Canonical URL
https://proflightsearch.com/flight/KL1521
How we measure this →