Final answer:
To calculate the flight duration from Miami to San Francisco, adjust the San Francisco arrival time to Eastern Time and subtract the Miami departure time, resulting in a total flight duration of 7 hours and 5 minutes.
Step-by-step explanation:
To calculate the duration of the flight from Miami to San Francisco, we need to account for the time difference between the Eastern Time (ET) and Pacific Time (PT), which is a 3-hour difference. The flight leaves Miami at 9:15 am ET and arrives in San Francisco at 1:20 pm PT.
First, we need to convert the San Francisco arrival time to Eastern Time to compare it directly with the Miami departure time. Since San Francisco is 3 hours behind Miami, we add 3 hours to the arrival time: 1:20 pm PT + 3 hours = 4:20 pm ET. Next, we calculate the time difference between departure and arrival in Eastern Time: 4:20 pm ET - 9:15 am ET.
To find the duration, we subtract the times:
- From 9:15 am to 9:20 am: 5 minutes
- From 9:20 am to 4:20 pm: 7 hours
Total flight duration is
7 hours and 5 minutes