TK1521Turkish Airlines · IST → DUS
live · 17m ago
Route confirmed Turkish Airlines

TK1521 IstanbulIST · 16:55 DüsseldorfDUS · 19:15

TK1521 by Turkish Airlines flies from Istanbul (IST) to Düsseldorf (DUS) for the Tue, Sep 22 departure.

Right nowEn route to Düsseldorf · off blocks 16:55 · on schedule
19:18

estimated arrival at DUS · local time · ~79 min from now

En routeTK1521 · position estimated
ISTIstanbulDUSDüsseldorf
Estimated from the boardsarr 19:18

Board estimate · gate and arrival times. Off blocks 16:55.

Typical gate push+0 minmedian posted departure
Typical arrival−3 minmedian over 5 operations
Wins back in air~3 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
09-22
+0 gate · +3 arrival
09-21
+0 gate · −4 arrival
09-20
+25 gate · +9 arrival
09-19
+0 gate · −3 arrival
09-18
+0 gate · −14 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 −3 min · 0 cancelled · 5 operations tracked

The route today

live boards
ISTIstanbulOn-time likelyIST delay board →
DUSDüsseldorfOn-time likelyDUS delay board →
IST→DUSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
32%Chance of 15+ min delay
3.9%Chance of cancellation
+6 minAvg hub delay right now

Driven mainly by DUS (Düsseldorf), currently flying VFR (visual). 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 →

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 Istanbul to Düsseldorf flights today

same route · Turkish Airlines
TK1523departs 06:55
TK1525departs 11:30
TK1527departs 15:05
TK1529departs 19:10

If TK1521 is cancelled, these are the other Turkish Airlines nonstop flights from Istanbul to Düsseldorf on the same day, with scheduled departure times in IST local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How TK1521 actually runs

Pro Flight Search has tracked every published board update for TK1521 across the IST and DUS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how TK1521 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-22IST 16:55 (+0)DUS 19:15 19:18 (+3)
09-21IST 16:55 (+0)DUS 19:15 19:11 (−4)
09-20IST 16:45 17:10 (+25)DUS 19:05 19:14 (+9)
09-19IST 16:55 (+0)DUS 19:15 19:12 (−3)
09-18IST 16:55 (+0)DUS 19:15 19:01 (−14)

Board clocks recorded as IST and DUS published them.

Planning around TK1521? 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 — TK1521 Istanbul to Düsseldorf on-time performance, measured from the IST and DUS airport boards.

Canonical URL
https://proflightsearch.com/flight/TK1521
How we measure this →