6E4040IndiGo · SFO → IST
live · 22m ago
Route confirmed IndiGo

6E4040 San FranciscoSFO IstanbulIST

6E4040 by IndiGo flies from San Francisco (SFO) to Istanbul (IST).

Right nowNext departure tomorrow Operates daily
13:00

scheduled from SFO

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
ISTIstanbulHigh riskIST delay board →
SFO→ISTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
4.6%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at SFO and IST are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 at SFO

Forecast

Fri 13 Nov, local date

High17°Clikely 16°C to 18°C
Low13°Clikely 11°C to 15°C
  • 97% chance of rain
  • Gusts to 33 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at IST

Forecast

Sat 14 Nov, local date

High21°Clikely 19°C to 23°C
Low12°Clikely 9°C to 15°C
  • 95% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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.

How 6E4040 actually runs

Pro Flight Search has tracked every published board update for 6E4040 across the SFO and IST boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SFO and IST.

The verdict above is that record speaking, so it reflects how 6E4040 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around 6E4040? 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: 6E4040 San Francisco to Istanbul on-time performance, measured from the SFO and IST airport boards.

Canonical URL
https://proflightsearch.com/flight/6E4040
How we measure this →