KL1577KLM · AMS → OPO
live · 22m ago
Route confirmed KLM

KL1577 AmsterdamAMS · 20:45 PortoOPO · 22:30

KL1577 by KLM flies from Amsterdam (AMS) to Porto (OPO) for the Sat, Oct 31 departure.

Right nowEn route to Porto · off blocks 21:21 · 36 min late
22:30

estimated arrival at OPO · local time · landing about now

En routeKL1577 · position estimated
AMSAmsterdamOPOPorto
Estimated from the boardsarr 22:30

Board estimate · gate and arrival times. Off blocks 21:21 · typical taxi-out at AMS ≈ 7.2 min.

Typical gate push+36 minmedian posted departure
Typical arrival+7 minmedian over 3 operations
Wins back in air~29 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
11-01
+36 gate
10-31
+36 gate · +7 arrival
10-30
+50 gate · +17 arrival
10-29
+32 gate · −9 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
AMSAmsterdamOn-time likelyAMS delay board →
OPOPortoOn-time likelyOPO delay board →
AMS→OPOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
34%Chance of 15+ min delay
2.9%Chance of cancellation
+2 minTypical airport delay in this weather

Driven mainly by AMS (Amsterdam), 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 Porto with KLM · Mon 2 Nov, local date

Outlook: about usual
Chance a departure is cancelled
1.8%1.0× usual
Chance a departure leaves 60+ min late
3.9%0.8× usual

Forecast weather: 70% chance of rain at Amsterdam

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 4 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 Porto flights today

same route · KLM
KL1571departs 08:50
KL1573departs 13:45
KL1575departs 16:25

If KL1577 is cancelled, these are the other KLM nonstop flights from Amsterdam to Porto 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 KL1577 actually runs

Pro Flight Search has tracked every published board update for KL1577 across the AMS and OPO boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min late. Based on 3 confirmed landings · 2/3 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 KL1577 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
11-01AMS 20:45 21:21 (+36)OPO 22:30
10-31AMS 20:45 21:21 (+36)OPO 22:20 22:27 (+7)
10-30AMS 20:50 21:40 (+50)OPO 22:30 22:47 (+17)
10-29AMS 20:50 21:22 (+32)OPO 22:30 22:21 (−9)

Aircraft

Recent tails: PH-BGC, PH-BXI.

Board clocks recorded as AMS and OPO 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: KL1577 Amsterdam to Porto on-time performance, measured from the AMS and OPO airport boards.

Canonical URL
https://proflightsearch.com/flight/KL1577
How we measure this →