Please answer the given financial question based on the context.
Context: item 2 . properties flight equipment and fleet renewal as of december 31 , 2017 , american operated a mainline fleet of 948 aircraft . in 2017 , we continued our extensive fleet renewal program , which has provided us with the youngest fleet of the major u.s . network carriers . during 2017 , american took delivery of 57 new mainline aircraft and retired 39 mainline aircraft . we are supported by our wholly-owned and third-party regional carriers that fly under capacity purchase agreements operating as american eagle . as of december 31 , 2017 , american eagle operated 597 regional aircraft . during 2017 , we reduced our regional fleet by a net of nine aircraft , including the addition of 63 regional aircraft and retirement of 72 regional aircraft . mainline as of december 31 , 2017 , american 2019s mainline fleet consisted of the following aircraft : average seating capacity average ( years ) owned leased total .
||average seatingcapacity|averageage ( years )|owned|leased|total|
|airbus a319|128|13.8|21|104|125|
|airbus a320|150|16.7|10|38|48|
|airbus a321|178|5.4|165|54|219|
|airbus a330-200|251|6.0|15|2014|15|
|airbus a330-300|291|17.4|4|5|9|
|boeing 737-800|160|8.1|132|172|304|
|boeing 737-8 max|172|0.1|4|2014|4|
|boeing 757-200|180|18.1|31|3|34|
|boeing 767-300er|209|19.1|24|2014|24|
|boeing 777-200er|269|17.0|44|3|47|
|boeing 777-300er|310|3.8|18|2|20|
|boeing 787-8|226|2.1|20|2014|20|
|boeing 787-9|285|0.7|14|2014|14|
|embraer 190|99|10.2|20|2014|20|
|mcdonnell douglas md-80|140|21.3|13|32|45|
|total||10.1|535|413|948|
.
Question: what percent of american's total planes carried fewer than 100 pasengers?
Answer:
0.0211