5 Boeing 737 Max aircraft flew to and from Houston amid grounding order

HOUSTON, Texas (KTRK) -- When President Trump announced the grounding of Boeing 737 Max aircraft, several flights to and from Houston were already in the air Wednesday afternoon.

An emergency order was issued grounding all Boeing 737 Max 8 and 9 aircraft in the wake of a crash of an Ethiopian Airlines jet that killed 157 people.

RELATED: Black box found after Ethiopian Airlines crash

All aircraft that were already in flight were expected to be grounded once they landed.

According to Flightaware.com, there were five aircraft to and from Houston airports when the grounding was ordered.

United Flight 1468

Aircraft: 737 Max 9

San Salvador to Houston Intercontiental

Departed: 12:43 p.m. (CST)

Arrival time: 4:39 p.m. (CDT)

United Flight 1117

Aircraft: 737 Max 9

Houston IAH to Los Angeles LAX

Departed: 12:46 p.m. (CDT)

Arrival: 2:24 p.m. (PDT)

United Flight 1815

Aircraft: 737 Max 9

Houston IAH to San Francisco SFO

Departed: 12:05 p.m. (CDT)

Arrival: 2:51 p.m. (PDT)

United Flight 1016

Aircraft: 737 Max 9

Houston IAH to Cancun CUN

Departed: 12:09 p.m. (CDT)

Arrival: 2:29 p.m. (EST)

Southwest Flight 332

Aircraft: 737 Max 8

Phoenix PHX to Houston HOU

Departed: 12:43 (CST)

Arrived: 1:35 p.m. (PDT)