Copa Flight 138 Deals & Information (2026/2027)

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Frequently asked questions

What route does flight number CM138 take?
CM138 travels between PTY and Mexico City, Distrito Federal Airport (MEX-Mexico City Intl.) and is a direct flight. This journey usually takes 3 hours and 46 minutes.
How often is CM138 on time?
If you've booked tickets on Copa Airlines flight number CM138 between PTY and Benito Juárez Intl. Airport, 96% of these services touch down according to schedule. If your plane is delayed, your likely wait is approximately 10 minutes on average. Thanks to this air carrier's first-rate service, this trip has earned a star rating of 4.6.
What kind of plane is on flight number CM138?
The route for CM138 is generally Tocumen Intl. Airport (PTY) to Mexico City, Distrito Federal Airport (MEX-Mexico City Intl.), and the Boeing 737-800 is the aircraft model you'll probably be flying with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your CM138 flight with Travelocity, please visit our Customer Service Portal.