TP231 LisbonLIS · 11:40 WashingtonIAD · 15:10
TP231 by TAP Air Portugal flies from Lisbon (LIS) to Washington (IAD) for the Mon, Sep 7 departure.
departs LIS · on schedule
board checked 43m ago · checking again in 45s
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 −22 min · 0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LIS and IAD 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 Lisbon to Washington flights today
same route · TAP Air PortugalIf TP231 is cancelled, this is the other TAP Air Portugal nonstop flight from Lisbon to Washington on the same day, with scheduled departure times in LIS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How TP231 actually runs
Pro Flight Search has tracked every published board update for TP231 across the LIS and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 7 confirmed landings · 5/7 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 TP231 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: CS-TXE, CS-TXL, CS-TXA, CS-TXD.
Board clocks recorded as LIS and IAD published them.
Planning around TP231? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — TP231 Lisbon to Washington on-time performance, measured from the LIS and IAD airport boards.
https://proflightsearch.com/flight/TP231
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