DL4120 Delta Air Lines - Flight Status

Which is the frequency of flight DL4120?
The flight DL4120 is scheduled to flight on daily basis.

Which is the distance of flight DL4120?
The distance between the two airports is 171 miles.

Which is the flight time of flight DL4120?
The scheduled flight time gate to gate is: 01:15 hours.
The real flight time gate to gate on average is: 01:10 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

The following airlines serves the same route between Pasco and Seattle:

Alaska Airlines
- Flight Number: AS1487. (On Time performance: 74 - Average Delay: 11 minutes)
- Flight Number: AS2082. (On Time performance: 57 - Average Delay: 15 minutes)
- Flight Number: AS2101. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: AS2180.
- Flight Number: AS2349. (On Time performance: 85 - Average Delay: 10 minutes)
- Flight Number: AS2351. (On Time performance: 75 - Average Delay: 12 minutes)
- Flight Number: AS2366. (On Time performance: 80 - Average Delay: 18 minutes)
- Flight Number: AS3070. (On Time performance: 71 - Average Delay: 17 minutes)
- Flight Number: AS772. (On Time performance: 85 - Average Delay: 31 minutes)
- Flight Number: AS795. (On Time performance: 92 - Average Delay: 6 minutes)

Delta Air Lines
- Flight Number: DL3972. (On Time performance: 87 - Average Delay: 32 minutes)
- Flight Number: DL4095. (On Time performance: 89 - Average Delay: 10 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 January 05, 2026 to January 26, 2026. 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.

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

Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions