This Act may be cited as the Obligating Notification for Travelers about Interruptions from Maintenance and Employee Issues Act or the ON TIME Act.

(a) In general Subchapter I of chapter 417 of title 49, United States Code, is amended by adding at the end the following: 41730. Notice concerning maintenance or crew delay (a) In general In any circumstance in which an air carrier providing scheduled passenger air transportation experiences a delay with respect to such air transportation that is a result of maintenance or crew rest issues and for which there is no aircraft or crew to replace the scheduled aircraft or crew, the Secretary of Transportation shall require such air carrier to— (1) immediately provide a notice to passengers affected by such delay that contains an estimate for the duration of such delay; or (2) if the air carrier does not immediately have an estimate for the duration of the delay— (A) immediately provide a notice such passengers that there is not an estimate available; and (B) provide to such passengers an updated notice containing the estimate as soon as such estimate is available. (b) Notice requirements In providing any notice to passengers under this section with respect to delayed air transportation, an air carrier shall ensure that the information required under subsection (a) is made available to passengers— (1) by announcement over the public address system of the applicable airport; (2) on display boards posted at or near the applicable gate for the affected air transportation; and (3) by direct notification via text, email, and the mobile application of the air carrier, as applicable.. (b) Clerical amendment The analysis for chapter 417 of title 49, United States Code, is amended by inserting after the item relating to section 41729 the following: 41730. Notice concerning maintenance or crew delay..