DL521 Flight Status Delta Air Lines: Dallas to Ontario (DAL521)
Are you looking for the November 9th, 2026 DL 521 Los Angeles to Dallas flight? Go to our DL521 Los Angeles to Dallas Flight Status page >
DL 521 Dallas to Ontario Flight Status
Not scheduled today (November 9th, 2026). Latest flight: October 10th, 2026 ; recent history is in the table below.
- This flight continues to Los Angeles (LAX): DL521 Ontario to Los Angeles departs at 18:00 local time on Oct 10.
DL 521 Flight Status & Schedule Delta Air Lines Dallas to Ontario
Delta Air Lines flight DL 521 links Dallas and Ontario, 1,908 km (1,186 mi) apart. The timetable allows 3 h 20 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 10 October 2026.
About DL 521
- Distance
- 1,908 km (1,186 mi)
- Scheduled flight time
- 3 h 20 min
DL 521 FAQ
- How long is the DL521 flight?
- The timetable allows 3 h 20 min. Dallas to Ontario is 1,908 km (1,186 mi).
- What other flight numbers does DL521 have?
- Also listed as DAL521 (Delta Air Lines' ICAO code) and DL 521.
DL521 and Dallas DFW to Ontario ONT Flights
Flight DL521 is code-shared by 8 airlines using the flight numbers AF5947, AM3943, CI9004, KE5414, LA6107, LY4285, SK3378, VS2074
Other flights departing from Dallas DFW: OH5396, OO4943, AA3668, AA4126
Other flights arriving at Ontario ONT: OO3215, WN3282, WN3862, UA393
All flights connecting Dallas DFW to Ontario ONT.