Informational Guide to LAX Airport - NON OFFICIAL

DL521 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL521, which currently operates between the airports of Dallas - Dallas Fort Worth International Airport (Airport Code DFW) and Los Angeles - Los Angeles International Airport (Airport Code LAX).
This flight data pertains specifically to the flight's details for Thursday, February 12, 2026.

DL521 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

DL521 Delta Air Lines from Dallas

Landed - Delayed
Delay: 18 minutes
Flight Status for Thursday February 12, 2026
This flight is also scheduled for Today (February 13, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A319

Departure

Dallas (DFW)
February 12, 2026
Dallas Fort Worth International Airport
Departed at:
04:11 pm
Terminal:
E
Gate:
E16
Scheduled Departure Time: 04:00 pm

Arrival

Los Angeles (LAX)
February 12, 2026
Los Angeles International Airport
Arrived at:
05:48 pm
Terminal:
2
Gate:
27
Scheduled Arrival Time: 05:30 pm
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.los-angeles-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:

- AF2666 - Air France

- AM3439 - Aeromexico

- CI9002 - China Airlines

- KE7254 - Korean Air

- SK3378 - SAS Scandinavian Airlines

- VS2072 - Virgin Atlantic

- WS6643 - WestJet

Additional Information

Which is the frequency of flight DL521?
The flight DL521 is scheduled to flight on daily basis.

Which is the distance of flight DL521?
The distance between the two airports is 1233 miles.

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 Dallas: 2026-02-13 22:09:54
Current Time in Los Angeles: 2026-02-13 20:09:54

Alternative Flights

The following airlines serves the same route between Dallas and Los Angeles:

UPS
- Flight Number: 5X5938. (On Time performance: 64 - Average Delay: 15 minutes)

American Airlines
- Flight Number: AA1247. (On Time performance: 74 - Average Delay: 20 minutes)
- Flight Number: AA1526. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: AA1624. (On Time performance: 72 - Average Delay: 21 minutes)
- Flight Number: AA1630. (On Time performance: 72 - Average Delay: 27 minutes)
- Flight Number: AA1660. (On Time performance: 77 - Average Delay: 18 minutes)
- Flight Number: AA1759. (On Time performance: 63 - Average Delay: 34 minutes)
- Flight Number: AA2430. (On Time performance: 88 - Average Delay: 29 minutes)
- Flight Number: AA2777. (On Time performance: 68 - Average Delay: 36 minutes)
- Flight Number: AA2793. (On Time performance: 78 - Average Delay: 25 minutes)
- Flight Number: AA2900. (On Time performance: 65 - Average Delay: 24 minutes)
- Flight Number: AA3245. (On Time performance: 85 - Average Delay: 13 minutes)

Delta Air Lines
- Flight Number: DL439. (On Time performance: 92 - Average Delay: 10 minutes)
- Flight Number: DL948. (On Time performance: 87 - Average Delay: 9 minutes)

Frontier Airlines
- Flight Number: F93211. (On Time performance: 81 - Average Delay: 21 minutes)

Spirit Airlines
- Flight Number: NK1672. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: NK1692. (On Time performance: 87 - Average Delay: 13 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

Last Past Flights DL521

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
12 February
04:11 pm
Dallas (DFW)
05:48 pm
Los Angeles (LAX)
03h 37min
Airbus A319
Airbus A319
Landed - Delayed