https://www.devex.com/people/does-delta-airlines-allow-infants-on-red-eye-flights-2391979
https://www.devex.com/people/can-infants-earn-skymiles-on-delta-flights-2392035
https://www.devex.com/people/what-is-frontier-airlines-infant-policy-2392710
https://www.devex.com/people/do-infants-need-a-ticket-to-fly-on-frontier-2392727
https://www.devex.com/people/can-i-hold-my-baby-on-my-lap-during-the-flight-on-frontier-2392826