DL1239 Delta Air Lines - Flight Status

Which is the frequency of flight DL1239?
The flight DL1239 is scheduled to flight on Monday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight DL1239?
The distance between the two airports is 687 miles.

Which is the flight time of flight DL1239?
The scheduled flight time gate to gate is: 02:06 hours.
The real flight time gate to gate on average is: 01:57 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: 2025-10-05 12:45:40
Current Time in Salt Lake City: 2025-10-05 13:45:40

The following airlines serves the same route between Seattle and Salt Lake City:

Alaska Airlines
- Flight Number: AS1125. (On Time performance: 78 - Average Delay: 15 minutes)
- Flight Number: AS3298. (On Time performance: 79 - Average Delay: 14 minutes)
- Flight Number: AS3331. (On Time performance: 89 - Average Delay: 8 minutes)
- Flight Number: AS430. (On Time performance: 93 - Average Delay: 8 minutes)
- Flight Number: AS630. (On Time performance: 73 - Average Delay: 12 minutes)
- Flight Number: AS733. (On Time performance: 59 - Average Delay: 19 minutes)
- Flight Number: AS795. (On Time performance: 86 - Average Delay: 8 minutes)

Delta Air Lines
- Flight Number: DL1016. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: DL1120. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: DL1128. (On Time performance: 97 - Average Delay: 3 minutes)
- Flight Number: DL1165. (On Time performance: 75 - Average Delay: 12 minutes)
- Flight Number: DL1265. (On Time performance: 87 - Average Delay: 13 minutes)
- Flight Number: DL2816. (On Time performance: 92 - Average Delay: 5 minutes)

Frontier Airlines
- Flight Number: F94988. (On Time performance: 71 - Average Delay: 20 minutes)

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 April 04, 2025 to October 03, 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 October 02, 2024 to September 29, 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.