| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 19 | SAT | DFW | 18:01 | 16:49 |
En-Route
|
Track > |
Delta Air Lines Flight DL521 connects San Antonio, United States to Dallas, United States, taking off from San Antonio International Airport SAT and landing at Dallas Fort Worth International Airport DFW.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL521 San Antonio to Dallas?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL521 arriving at?
Flight DL521 arrives at Dallas Fort Worth International Airport (DFW) Terminal E.
When was the latest DL521 flight?
The latest flight took off on Tuesday, May 19th, 2026 with the flight status being En-Route on 16:49.
How else can the flight DL521 be referenced as?
This Delta Air Lines flight can also be referenced as DAL521, DL0521, DL 521, DAL 521.
How often is flight DL521 delayed?
On average, 0% of all DL521 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled DL521 flight or baggage issues?
If your DL521 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL521 Flight Tracker above for more details.
Flight DL521 is code-shared by 4 airlines using the flight numbers AM3570, CI9005, LY4284, VS2084
Other flights departing from San Antonio SAT: AA1449, DL2598, WN3374, AA3728
Other flights arriving at Dallas DFW: AV442, AA3376, AA3728, AA5235
All flights connecting San Antonio SAT to Dallas DFW.