LX53 BostonBOS · 21:40 ZurichZRH · 10:55
LX53 by Swiss International Air Lines flies from Boston (BOS) to Zurich (ZRH) for the Fri, Aug 21 departure.
en route from BOS to ZRH
board checked 91m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 22:17 · typical taxi-out at BOS ≈ 9.4 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival +29 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BOS and ZRH 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Boston to Zurich flights today
same route · Swiss International Air LinesIf LX53 is cancelled, these are the other Swiss International Air Lines nonstop flights from Boston to Zurich 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 LX53 actually runs
Pro Flight Search has tracked every published board update for LX53 across the BOS and ZRH boards: schedule changes, gate pushes and actual clocks. Usually lands ~33 min late. Based on 12 confirmed landings · 4/12 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 LX53 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: HB-JHA, HB-JHL, HB-JHH, HB-JHK.
Board clocks recorded as BOS and ZRH published them.
Planning around LX53? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — LX53 Boston to Zurich on-time performance, measured from the BOS and ZRH airport boards.
https://proflightsearch.com/flight/LX53
.