BA1212British Airways · BOS → LHR
live · 19m ago
Route confirmed British Airways

BA1212 BostonBOS · 19:35 LondonLHR · 07:10

BA1212 by British Airways flies from Boston (BOS) to London (LHR).

Right nowNext departure today Operates daily
19:35

scheduled from BOS

Typical gate push+8 minmedian posted departure
Typical arrival−28 minmedian over 4 operations
Wins back in air~36 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
10-17
−7 arrival
10-09
+8 gate · −32 arrival
10-08
+4 gate · −28 arrival
10-07
+11 gate · −41 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
BOSBostonOn-time likelyBOS delay board →
LHRLondonOn-time likelyLHR delay board →
BOS→LHRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
4.1%Chance of cancellation
+9 minAvg hub delay right now

Conditions at BOS 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 Boston to London flights today

same route · British Airways
BA51departs 02:20
BA238departs 07:10
BA212departs 19:35
BA202departs 21:50

If BA1212 is cancelled, these are the other British Airways nonstop flights from Boston to London on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How BA1212 actually runs

Pro Flight Search has tracked every published board update for BA1212 across the BOS and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~28 min early. Based on 4 confirmed landings · 4/4 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 BA1212 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
10-17BOS 19:35LHR 07:10 07:03 (−7)
10-09BOS 19:35 19:43 (+8)LHR 07:10 06:38 (−32)
10-08BOS 19:35 19:39 (+4)LHR 07:10 06:42 (−28)
10-07BOS 19:35 19:46 (+11)LHR 07:10 06:29 (−41)

Board clocks recorded as BOS 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 — BA1212 Boston to London on-time performance, measured from the BOS and LHR airport boards.

Canonical URL
https://proflightsearch.com/flight/BA1212
How we measure this →