BA721British Airways · IST → LHR
live · 8m ago
Route confirmed British Airways

BA721 IstanbulIST · 08:15 LondonLHR · 10:30

BA721 by British Airways flies from Istanbul (IST) to London (LHR) for the Wed, Sep 23 departure.

Right nowIn the air to London · off blocks 08:15 · on schedule
10:16

estimated arrival at LHR · local time · ~70 min from now

LivePosition · updated 8m ago
LHR473 mi · ~70 min leftIST
34,000 ftAltitudecruising
472 mphSpeed410 kt
296°Direction

Live position · flown path, last 2h 22m

Typical gate push+0 minmedian posted departure
Typical arrival−7 minmedian over 6 operations
Wins back in air~7 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+60+120+180 min
09-23
+0 gate · −14 arrival
09-22
+0 gate · +5 arrival
09-21
+0 gate · −21 arrival
09-20
+0 gate · −7 arrival
09-19
+180 gate · +166 arrival
09-18
+0 gate · −8 arrival
09-17
+0 gate

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 −7 min · 0 cancelled · 7 operations tracked

The route today

live boards
ISTIstanbulOn-time likelyIST delay board →
LHRLondonOn-time likelyLHR delay board →
IST→LHRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
24%Chance of 15+ min delay
5.8%Chance of cancellation
-2 minAvg hub delay right now

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

same route · British Airways
BA717departs 13:10
BA701departs 17:45
BA719departs 19:55

If BA721 is cancelled, these are the other British Airways nonstop flights from Istanbul to London 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 BA721 actually runs

Pro Flight Search has tracked every published board update for BA721 across the IST and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 5 confirmed landings · 4/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how BA721 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
09-23IST 08:15 (+0)LHR 10:30 10:16 (−14)
09-22IST 08:15 (+0)LHR 10:30 10:35 (+5)
09-21IST 08:15 (+0)LHR 10:30 10:09 (−21)
09-20IST 08:15 (+0)LHR 10:30 10:23 (−7)
09-19IST 08:15 11:15 (+180)LHR 10:30 13:16 (+166)
09-18IST 08:10 (+0)LHR 10:25 10:17 (−8)
09-17IST 08:15 (+0)LHR

Aircraft

Recent tails: G-TTSD.

Board clocks recorded as IST and LHR 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 — BA721 Istanbul to London on-time performance, measured from the IST and LHR airport boards.

Canonical URL
https://proflightsearch.com/flight/BA721
How we measure this →