Skip to content
Sign up

Delta Air Lines

Is DL1521 delayed?

No — DL1521 landed in Atlanta 19 min early, at 18:25 on Sep 30 (as of Sep 30, 22:26 UTC).

Usually on time: arrived within 15 min of schedule on 14 of the last 22 flights.

Arrived

19 min early

Official source · Updated

Departure

Santa Ana

SNA

Actual

Scheduled 11:57

Sep 30

Arrival

Atlanta

ATL

Actual

Scheduled 18:45

Sep 30

Times shown in airport local time

Service date: · Scheduled departure date (America/Los_Angeles)

Market settled: On time.

View this flight’s marketHow this market settles

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Santa Ana → Atlanta

    19 min early

  • Santa Ana → Atlanta

    9 min early

  • Santa Ana → Atlanta

    14 min early

  • Santa Ana → Atlanta

    28 min early

  • Santa Ana → Atlanta

    45 min late

Is DL1521 usually late?

Observation window: Aug 31, 2026 – Sep 30, 2026

Observed arrivals
22
On time
64%
of 22 arrivals
Late
36%
of 22 arrivals
Cancelled
4%
of 24 flights
Median arrival delay
4 min
9 in 10 arrived within
43 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

At the airports today

Atlanta (ATL) departures

Left more than 15 min late
57 of 521
Cancelled today
1

Related flights

Other flights KSNA → ATL

Return flights ATL → KSNA

All Delta Air Lines flights

Flight history and details
DL1521 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 30, 2026ArrivedSanta AnaAtlanta
View this flight’s market
-19
Sep 29, 2026ArrivedSanta AnaAtlanta-9
Sep 28, 2026CancelledSanta AnaAtlantaNot availableNot available
Sep 27, 2026ArrivedSanta AnaAtlanta-14
Sep 26, 2026ArrivedSanta AnaAtlanta-28
Sep 25, 2026ArrivedSanta AnaAtlanta45
Sep 24, 2026ArrivedSanta AnaAtlanta-15
Sep 23, 2026ArrivedSanta AnaAtlanta-13
Sep 22, 2026ArrivedSanta AnaAtlanta22
Sep 21, 2026ArrivedSanta AnaAtlanta-1
Sep 20, 2026ArrivedSanta AnaAtlanta12
Sep 18, 2026ArrivedSanta AnaAtlanta285
Sep 17, 2026ArrivedSanta AnaAtlanta17
Sep 16, 2026ArrivedSanta AnaAtlanta10
Sep 15, 2026ArrivedSanta AnaAtlanta3
Sep 14, 2026ArrivedSanta AnaAtlanta17
Sep 11, 2026ArrivedSanta AnaAtlanta20
Sep 10, 2026ArrivedSanta AnaAtlanta4
Sep 9, 2026ArrivedSanta AnaAtlanta19
Sep 8, 2026ArrivedSanta AnaAtlanta0
Sep 7, 2026ArrivedSanta AnaAtlanta-26
Sep 6, 2026ArrivedSanta AnaAtlanta-18
Sep 5, 2026ArrivedSanta AnaAtlanta165

Email me if DL1521 runs late

We email you if your next DL1521 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.

We use this address only for these emails. Every email has a one-click unsubscribe link.

Embed this status on your site

Paste this code into your page. The card keeps itself up to date and links back here.