DL521Delta Air Lines · DFW → LAX
updated 1h ago
Route confirmed Delta Air Lines

DL521 Dallas-Fort WorthDFW · 16:05 Los AngelesLAX · 17:25

DL521 by Delta Air Lines flies from Dallas-Fort Worth (DFW) to Los Angeles (LAX) for the Tue, Nov 3 departure.

Right nowScheduled · gate E15 · as of 06:24
16:05

departs DFW · on schedule

Typical gate push−4 minmedian posted departure
Typical arrival−6 minmedian over 3 operations
Wins back in air~2 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-03
−6 arrival
11-02
−6 gate · −6 arrival
11-01
+1 gate · −10 arrival
10-31
−4 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
DFWDallas-Fort WorthOn-time likelyDFW delay board →
LAXLos AngelesOn-time likelyLAX delay board →
DFW→LAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
0.6%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at DFW and LAX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Dallas-Fort Worth

Forecast

Wed 4 Nov, local date

High22°Clikely 20°C to 24°C
Low12°Clikely 11°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Los Angeles

Forecast

Wed 4 Nov, local date

High23°Clikely 21°C to 24°C
Low15°Clikely 13°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Dallas-Fort Worth to Los Angeles flights today

same route · Delta Air Lines
DL439departs 07:25
DL948departs 20:14

If DL521 is cancelled, these are the other Delta Air Lines nonstop flights from Dallas-Fort Worth to Los Angeles on the same day, with scheduled departure times in DFW local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL521 actually runs

Pro Flight Search has tracked every published board update for DL521 across the DFW and LAX boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: landed +6 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how DL521 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-03DFW 16:05LAX 17:25 17:19 (−6)
11-02DFW 16:05 15:59 (−6)LAX 17:25 17:19 (−6)
11-01DFW 16:05 16:06 (+1)LAX 17:25 17:15 (−10)
10-31DFW 16:05 16:01 (−4)LAX

Aircraft

Recent tails: N343NB, N317NB.

Board clocks recorded as DFW and LAX published them.

Planning around DL521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL521 Dallas-Fort Worth to Los Angeles on-time performance, measured from the DFW and LAX airport boards.

Canonical URL
https://proflightsearch.com/flight/DL521
How we measure this →