Portsmouth, NH

Return was originally on AA5036/5143 PVD–DCA–DAY, but maintenance on AA5036 would have caused a missed connection.

Section	Flight	Route	Departure
Section 1 DAY ⇒ PVD	American Airlines 5047	DAY ⇒ CLT	17 Dec 2018
	American Airlines 1645	CLT ⇒ PVD	17 Dec 2018
Section 2 PVD ⇒ DAY	American Airlines 5513	PVD ⇒ CLT	20 Dec 2018
	American Airlines 5159	CLT ⇒ DAY	20 Dec 2018
4 flights (0.3% of all flights)