DL1921 Delta Air Lines - Flight Status

Which is the frequency of flight DL1921?
The flight DL1921 is scheduled to flight on Monday, Wednesday, Saturday on a weekly basis.

Which is the distance of flight DL1921?
The distance between the two airports is 2081 miles.

Which is the flight time of flight DL1921?
The scheduled flight time gate to gate is: 04:46 hours.
The real flight time gate to gate on average is: 04:38 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2025-07-05 17:03:05
Current Time in Puerto Vallarta: 2025-07-05 18:03:05

The following airline serve the same route between Seattle and Puerto Vallarta:
Alaska Airlines - Flight Number: AS903.

We have gathered data from recent months and present below an analysis of how timely the flights have been.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from January 04, 2025 to July 02, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from July 03, 2024 to June 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.