CM4278 Buenos AiresEZE · 13:18 TocumenPTY · 20:06
CM4278 by Copa Airlines flies from Buenos Aires (EZE) to Tocumen (PTY) for the Tue, Nov 3 departure.
departs EZE · on schedule
board checked 11m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at EZE and PTY 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 Buenos Aires
ForecastWed 4 Nov, local date
- 78% 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.
Tomorrow at Tocumen
ForecastWed 4 Nov, local date
- 52% chance of thunder
- 90% 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Buenos Aires to Tocumen flights today
same route · Copa AirlinesIf CM4278 is cancelled, these are the other Copa Airlines nonstop flights from Buenos Aires to Tocumen on the same day, with scheduled departure times in EZE local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How CM4278 actually runs
Pro Flight Search has tracked every published board update for CM4278 across the EZE and PTY boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 2 confirmed landings · 2/2 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 CM4278 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: HP9903, HP9909, HP9912, HP9910.
Board clocks recorded as EZE and PTY published them.
Planning around CM4278? 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: CM4278 Buenos Aires to Tocumen on-time performance, measured from the EZE and PTY airport boards.
https://proflightsearch.com/flight/CM4278
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