Delta Air Lines
Is DL4001 delayed?
Yes — DL4001 landed in San Diego 15 min late, at 14:44 on Sep 29 (as of Sep 29, 21:44 UTC).
Usually on time: arrived within 15 min of schedule on 15 of the last 29 flights.
15 min late
Official source · Updated
Departure
Los Angeles
LAX
Actual
Scheduled 14:05
Sep 29
Arrival
San Diego
SAN
Actual
Scheduled 14:28
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 15 min late
Los Angeles → San Diego
- On schedule (14 min behind)
Los Angeles → San Diego
- 34 min late
Los Angeles → San Diego
- 5 min early
Los Angeles → San Diego
- 37 min late
Los Angeles → San Diego
Is DL4001 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
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.
At the airports today
Los Angeles (LAX) departures
- Left more than 15 min late
- 62 of 361
- Cancelled today
- 1
San Diego (SAN) departures
- Left more than 15 min late
- 52 of 233
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Los Angeles | San Diego | 15 | |
| Sep 28, 2026Arrived | Los Angeles | San Diego | 14 | |
| Sep 27, 2026Arrived | Los Angeles | San Diego | 34 | |
| Sep 26, 2026Arrived | Los Angeles | San Diego | -5 | |
| Sep 25, 2026Arrived | Los Angeles | San Diego | 37 | |
| Sep 24, 2026Arrived | Los Angeles | San Diego | -6 | |
| Sep 23, 2026Arrived | Los Angeles | San Diego | 17 | |
| Sep 22, 2026Arrived | Los Angeles | San Diego | 18 | |
| Sep 21, 2026Arrived | Los Angeles | San Diego | 16 | |
| Sep 20, 2026Arrived | Los Angeles | San Diego | -1 | |
| Sep 19, 2026Arrived | Los Angeles | San Diego | 32 | |
| Sep 18, 2026Arrived | Los Angeles | San Diego | 0 | |
| Sep 17, 2026Arrived | Los Angeles | San Diego | 68 | |
| Sep 16, 2026Arrived | Los Angeles | San Diego | -3 | |
| Sep 15, 2026Arrived | Los Angeles | San Diego | -9 | |
| Sep 14, 2026Arrived | Los Angeles | San Diego | 48 | |
| Sep 13, 2026Arrived | Los Angeles | San Diego | 9 | |
| Sep 12, 2026Arrived | Los Angeles | San Diego | 10 | |
| Sep 11, 2026Arrived | Los Angeles | San Diego | 46 | |
| Sep 10, 2026Arrived | Los Angeles | San Diego | 9 | |
| Sep 9, 2026Arrived | Los Angeles | San Diego | 13 | |
| Sep 8, 2026Arrived | Los Angeles | San Diego | -9 | |
| Sep 7, 2026Arrived | Los Angeles | San Diego | 43 | |
| Sep 6, 2026Arrived | Los Angeles | San Diego | 30 | |
| Sep 5, 2026Arrived | Los Angeles | San Diego | 6 | |
| Sep 4, 2026Arrived | Los Angeles | San Diego | 236 | |
| Sep 3, 2026Arrived | Los Angeles | San Diego | -9 | |
| Sep 1, 2026Arrived | Los Angeles | San Diego | -19 | |
| Aug 31, 2026Arrived | Los Angeles | San Diego | 61 |
Email me if DL4001 runs late
We email you if your next DL4001 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.