Is DL1421 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
17 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Francisco
SFO
Actual
Aug 29
Arrival
Los Angeles
LAX
Estimated
Aug 29
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (America/Los_Angeles)
28 min early
Official source · Updated
Departure
Los Angeles
LAX
Actual
Aug 29
Arrival
San Francisco
SFO
Actual
Aug 29
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min late
SFO → LAX
- 23 min early
LAX → SFO
- 15 min late
SFO → LAX
- 13 min early
LAX → SFO
- 3 min late
SFO → LAX
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 41
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 58
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | San Francisco | Los Angeles | 21 | |
| Sep 17, 2026Arrived | Los Angeles | San Francisco | -23 | |
| Sep 16, 2026Arrived | San Francisco | Los Angeles | 15 | |
| Sep 16, 2026Arrived | Los Angeles | San Francisco | -13 | |
| Sep 15, 2026Arrived | San Francisco | Los Angeles | 3 | |
| Sep 15, 2026Arrived | Los Angeles | San Francisco | -3 | |
| Sep 14, 2026Arrived | San Francisco | Los Angeles | 2 | |
| Sep 14, 2026Arrived | Los Angeles | San Francisco | -29 | |
| Sep 13, 2026Arrived | Los Angeles | San Francisco | -31 | |
| Sep 12, 2026Arrived | San Francisco | Los Angeles | 8 | |
| Sep 12, 2026Arrived | Los Angeles | San Francisco | -31 | |
| Sep 11, 2026Arrived | San Francisco | Los Angeles | -11 | |
| Sep 11, 2026Arrived | Los Angeles | San Francisco | -31 | |
| Sep 10, 2026Arrived | San Francisco | Los Angeles | 6 | |
| Sep 10, 2026Arrived | Los Angeles | San Francisco | -26 | |
| Sep 9, 2026Arrived | San Francisco | Los Angeles | -5 | |
| Sep 9, 2026Arrived | Los Angeles | San Francisco | -32 | |
| Sep 8, 2026Arrived | San Francisco | Los Angeles | 5 | |
| Sep 8, 2026Arrived | Los Angeles | San Francisco | -25 | |
| Sep 7, 2026Arrived | San Francisco | Los Angeles | -8 | |
| Sep 7, 2026Arrived | Los Angeles | San Francisco | -23 | |
| Sep 6, 2026Arrived | San Francisco | Los Angeles | 0 | |
| Sep 6, 2026Arrived | Los Angeles | San Francisco | -25 | |
| Sep 5, 2026Arrived | San Francisco | Los Angeles | -16 | |
| Sep 5, 2026Arrived | Los Angeles | San Francisco | -24 | |
| Sep 4, 2026Arrived | San Francisco | Los Angeles | -13 | |
| Sep 4, 2026Arrived | Los Angeles | San Francisco | -29 | |
| Sep 3, 2026Arrived | Los Angeles | San Francisco | -24 | |
| Sep 2, 2026Arrived | San Francisco | Los Angeles | -17 | |
| Sep 2, 2026Arrived | Los Angeles | San Francisco | -21 | |
| Sep 1, 2026Arrived | Los Angeles | San Francisco | -24 | |
| Aug 31, 2026Arrived | Los Angeles | San Francisco | -11 | |
| Aug 29, 2026Arrived | Los Angeles | San Francisco | -28 | |
| Aug 28, 2026Arrived | Los Angeles | San Francisco | -19 | |
| Aug 27, 2026Arrived | Los Angeles | San Francisco | -27 | |
| Aug 26, 2026Arrived | Los Angeles | San Francisco | -25 | |
| Aug 25, 2026Arrived | Los Angeles | San Francisco | -28 | |
| Aug 24, 2026Arrived | Los Angeles | San Francisco | -26 | |
| Aug 23, 2026Arrived | Los Angeles | San Francisco | -16 | |
| Aug 21, 2026Arrived | Los Angeles | San Francisco | -16 |