Data reveals how visits to major US airports have cratered as coronavirus ravages the airline industry

Unlike LAX, Chicago O'Hare Airport saw an increase in foot traffic by 10.3% from the last week of February in 2018 to that same week in 2019. However, this number dropped to a 13% decrease in visitors comparing the last week of February in 2019 to that of 2020.

This increase-then-decrease trend also applies to O'Hare's first week of March: while there was a 7.6% increase from 2018 to 2019, the airport saw a 16.4% decrease from 2019 to 2020 amid the coronavirus epidemic.

Like O'Hare, DFW Airport saw an increase, then decrease, in foot traffic as the coronavirus pandemic spread.

There was a 1.8% increase in foot traffic during the last week of February from 2018 to 2019, but a 4.5% decrease during that same time frame from 2019 to 2020. And while there was a 5.2% foot traffic increase from 2018 to 2019's first week of March, there was a 14.2% decrease from 2019 to 2020's first week of March.

Denver International also saw a sharp decrease in visitors.

The last week of February from 2018 to 2019 saw a 9.1% increase in foot traffic, but a 6.7% decrease from 2019 to 2020.

While there was also an 8.8% increase in foot traffic from the first week of March from 2018 to 2019, there was a sharp decrease to the tune of 19.8% comparing the first week of March in 2019 to that of 2020.

There was a 5.1% increase in foot traffic from the last week of February in 2018 to 2019, but a 16.9% decrease of that same time frame comparing 2019 to 2020.

This sharp drop carries over to the first week of March. While there was an 8.6% uptick of visitors for March's first week between 2018 and 2019, there was an astonishing 29.4% drop from the same week comparing 2019 to 2020.

SFO, like LAX, has seen an overall decline in foot traffic from 2018 to 2020 comparing the last week of February and the first week of March.

From 2018 to 2019, SFO saw a 3.1% decrease for the last week of February, and a further 9.2% decrease from 2019 to 2020. To compare, the first week of March from 2018 to 2019 and 2019 to 2020 saw a 0.9% and 23.9% decrease, respectively.

While SeaTac saw a 4.2% increase in foot traffic from the last week of February in 2018 to that of 2019, it endured a 7.1% decrease from the same week comparing 2019 to 2020.

There was also a drop in visitors during the first week of March over the years. While there was a 2.9% increase from 2018 to 2019 for the first week of March, there was a 20.4% decrease from 2019 to 2020.

Nevada's McCarran airport saw the least steep plummet for the first week of March from 2019 to 2020 at a 13.3% decrease, However, this is still a drop from 2018 to 2019's 4.9% reduction in foot traffic during the first week of March.

Surprisingly, there was an increase in foot traffic from the last week of February in 2019 to 2020 at 9.8%, which is high compared to the 6.4% drop the airport saw during the same time frame from 2018 to 2019.