DL4621 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL4621, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Wednesday, July 08, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4621
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4621
DL4621 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
DL4621 Delta Air Lines to Ontario
Scheduled - On-time
Flight Status for Wednesday July 08, 2026
Scheduled - On-time
Flight Status for Wednesday July 08, 2026
Airline information
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)
Departure
Seattle (SEA)
July 08, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
05:45 am
Gate:
-
Scheduled Departure Time: 05:45 am
Arrival
Ontario (ONT)
July 08, 2026
Ontario International Airport
Estimated Arrival Time:
07:55 am
Terminal:
-
Gate:
-
Scheduled Arrival Time: 08:03 am
Disclaimer
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Additional Information
Which is the frequency of flight DL4621?
The flight DL4621 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight DL4621?
The distance between the two airports is 957 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight DL4621 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight DL4621?
The distance between the two airports is 957 miles.
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 Seattle and Ontario:
Alaska Airlines
- Flight Number: AS1364. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: AS489. (On Time performance: 73 - Average Delay: 12 minutes)
- Flight Number: AS565. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: AS571. (On Time performance: 61 - Average Delay: 23 minutes)
- Flight Number: AS592. (On Time performance: 81 - Average Delay: 10 minutes)
Delta Air Lines
- Flight Number: DL3884. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: DL4031. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: DL4070. (On Time performance: 93 - Average Delay: 4 minutes)
Frontier Airlines
- Flight Number: F92276. (On Time performance: 88 - Average Delay: 25 minutes)
Alaska Airlines
- Flight Number: AS1364. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: AS489. (On Time performance: 73 - Average Delay: 12 minutes)
- Flight Number: AS565. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: AS571. (On Time performance: 61 - Average Delay: 23 minutes)
- Flight Number: AS592. (On Time performance: 81 - Average Delay: 10 minutes)
Delta Air Lines
- Flight Number: DL3884. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: DL4031. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: DL4070. (On Time performance: 93 - Average Delay: 4 minutes)
Frontier Airlines
- Flight Number: F92276. (On Time performance: 88 - Average Delay: 25 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
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
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 DL4621
No flights for DL4621 were scheduled in the past month. The last flight took place on Wednesday, July 08, 2026