Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

DL4023 Delta Air Lines - Flight Status

Codeshare Flights
The flight VS4989 from Virgin Atlantic (VS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL4023. Check this page for details about flight DL4023.

Below, you can find details about Delta Air Lines flight DL4023, which currently operates between the airports of Pasco - Tri-Cities Airport (Airport Code PSC) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Wednesday, April 01, 2026.

DL4023 On Time performance:
90
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

DL4023 Delta Air Lines from Pasco

Scheduled - On-time
Flight Status for Wednesday April 01, 2026
This flight was also scheduled for Yesterday (March 31, 2026). See it here
This flight is also scheduled for Tomorrow (April 02, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Pasco (PSC)
April 01, 2026
Tri-Cities Airport
Estimated Departure Time:
05:35 pm
Terminal:
M
Gate:
4
Scheduled Departure Time: 05:35 pm

Arrival

Seattle (SEA)
April 01, 2026
Seattle-Tacoma International Airport
Estimated Arrival Time:
06:29 pm
Gate:
A11
Scheduled Arrival Time: 06:46 pm
Baggage: 6
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- VS4989 - Virgin Atlantic

Additional Information

Which is the frequency of flight DL4023?
The flight DL4023 is scheduled to flight on daily basis.

Which is the distance of flight DL4023?
The distance between the two airports is 171 miles.

Which is the flight time of flight DL4023?
The scheduled flight time gate to gate is: 01:11 hours.
The real flight time gate to gate on average is: 01:06 hours.

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

Alternative Flights

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

Alaska Airlines
- Flight Number: AS2092. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: AS2101. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: AS2366. (On Time performance: 89 - Average Delay: 8 minutes)
- Flight Number: AS2404. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AS2441. (On Time performance: 89 - Average Delay: 2 minutes)
- Flight Number: AS3026. (On Time performance: 94 - Average Delay: 9 minutes)
- Flight Number: AS3056. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AS795. (On Time performance: 93 - Average Delay: 4 minutes)

Delta Air Lines
- Flight Number: DL3972. (On Time performance: 90 - Average Delay: 31 minutes)
- Flight Number: DL3992. (On Time performance: 86 - Average Delay: 18 minutes)
- Flight Number: DL4095. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: DL4120. (On Time performance: 87 - Average Delay: 9 minutes)

Punctuality and delays

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

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 08, 2026 to March 27, 2026, we have obtained these figures.
Total number of flights: 20
On Time: 18 ( 90 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 5 % )
Major Delay: 1 ( 5 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 9 minutes.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
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

Last Past Flights DL4023

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
31 March
05:28 pm
Pasco (PSC)
06:37 pm
Seattle (SEA)
01h 09min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
30 March
05:34 pm
Pasco (PSC)
06:31 pm
Seattle (SEA)
00h 57min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
29 March
05:24 pm
Pasco (PSC)
07:06 pm
Seattle (SEA)
01h 42min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Saturday
28 March
05:28 pm
Pasco (PSC)
06:33 pm
Seattle (SEA)
01h 05min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
27 March
05:25 pm
Pasco (PSC)
06:31 pm
Seattle (SEA)
01h 06min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
26 March
07:47 pm
Pasco (PSC)
08:53 pm
Seattle (SEA)
01h 06min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Wednesday
25 March
05:32 pm
Pasco (PSC)
06:31 pm
Seattle (SEA)
00h 59min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
24 March
05:26 pm
Pasco (PSC)
06:34 pm
Seattle (SEA)
01h 08min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
23 March
05:27 pm
Pasco (PSC)
06:34 pm
Seattle (SEA)
01h 07min
Embraer 175
Embraer 175
Landed - On-time
Sunday
22 March
05:19 pm
Pasco (PSC)
06:19 pm
Seattle (SEA)
01h 00min
Embraer 175 (E
Embraer 175 (E
Landed - On-time