TK400Turkish Airlines · LED → IST
live · 1h ago
Route confirmed Turkish Airlines

TK400 St. PetersburgLED IstanbulIST · 04:45

TK400 by Turkish Airlines flies from St. Petersburg (LED) to Istanbul (IST).

Right nowNext departure today Operates daily
00:15

scheduled from LED

Typical arrival+0 minmedian over 9 operations
Cancellation3 in 12tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-26
−40 arrival
10-25
−30 arrival
10-24
+0 arrival
10-23
−25 arrival
10-22
+45 arrival
10-21
+0 arrival
10-20
CANCELLED

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 +0 min · 3 cancelled · 12 operations tracked

The route today

live boards
LEDSt. PetersburgOn-time likelyLED delay board →
ISTIstanbulOn-time likelyIST delay board →
LED→ISTevery carrier, schedules and on-time historyRoute intelligence →

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.

How TK400 actually runs

Pro Flight Search has tracked every published board update for TK400 across the LED and IST boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 7/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how TK400 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
10-26LED IST 04:45 04:05 (−40)
10-25LED IST 04:45 04:15 (−30)
10-24LED IST 04:15 (+0)
10-23LED IST 04:15 03:50 (−25)
10-22LED IST 04:15 05:00 (+45)
10-21LED IST 04:15 (+0)
10-20CANCELLED
10-19CANCELLED
10-18LED IST 04:15 08:20 (+245)
10-17CANCELLED
10-16LED IST 04:15 04:30 (+15)
10-15LED IST 04:15 (+0)

Board clocks recorded as LED and IST published them.

Planning around TK400? 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 — TK400 St. Petersburg to Istanbul on-time performance, measured from the LED and IST airport boards.

Canonical URL
https://proflightsearch.com/flight/TK400
How we measure this →