The union representing American Airlines pilots says the company has reached out to start negotiating again. Pilots are currently working under a contract imposed by the bankrupt carrier.
The Allied Pilots Association board of directors will meet on Wednesday to determine its next step.
Pilots are planning an informational picket line Tuesday at Boston Logan International Airport.
Only 56 percent of American Airlines flights arrived on time Monday as of 9 p.m. CDT.
The Fort Worth-based carrier has blamed an increase in cancellations and delays on a surge of maintenance requests filed by flight crews and an surge of pilots calling in sick.
The APA has denied any organized sickout or work slowdown.
The Associated Press contributed to this report.