Is DL4099 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
21 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Reno
RNO
Actual
Aug 21
Arrival
Los Angeles
LAX
Estimated
Aug 21
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)
13 min early
Updated
Departure
Los Angeles
LAX
Actual
Aug 21
Arrival
Reno
RNO
Actual
Aug 21
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.
- 31 min late
RNO → LAX
- 10 min late
LAX → RNO
- 31 min late
RNO → LAX
- 8 min late
LAX → RNO
- 27 min late
RNO → LAX
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 29
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 57
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 16, 2026Arrived | Reno | Los Angeles | 31 | |
| Sep 16, 2026Arrived | Los Angeles | Reno | 10 | |
| Sep 14, 2026Arrived | Reno | Los Angeles | 31 | |
| Sep 14, 2026Arrived | Los Angeles | Reno | 8 | |
| Sep 13, 2026Arrived | Reno | Los Angeles | 27 | |
| Sep 12, 2026Arrived | Los Angeles | Reno | -12 | |
| Sep 11, 2026Arrived | Reno | Los Angeles | -14 | |
| Sep 10, 2026Arrived | Reno | Los Angeles | 11 | |
| Sep 9, 2026Arrived | Reno | Los Angeles | -14 | |
| Sep 9, 2026Arrived | Los Angeles | Reno | -18 | |
| Sep 8, 2026Arrived | Reno | Los Angeles | 39 | |
| Sep 8, 2026Arrived | Los Angeles | Reno | -17 | |
| Sep 7, 2026Arrived | Reno | Los Angeles | 2 | |
| Sep 7, 2026Arrived | Los Angeles | Reno | -1 | |
| Sep 6, 2026Arrived | Reno | Los Angeles | 15 | |
| Sep 6, 2026Arrived | Los Angeles | Reno | -7 | |
| Sep 5, 2026Arrived | Reno | Los Angeles | -8 | |
| Sep 5, 2026Arrived | Los Angeles | Reno | -6 | |
| Sep 4, 2026Arrived | Reno | Los Angeles | 17 | |
| Sep 4, 2026Arrived | Los Angeles | Reno | 25 | |
| Sep 1, 2026Arrived | Los Angeles | Reno | -20 | |
| Aug 28, 2026Arrived | Reno | Los Angeles | -7 | |
| Aug 27, 2026Arrived | Reno | Los Angeles | 6 | |
| Aug 27, 2026Arrived | Los Angeles | Reno | 1 | |
| Aug 26, 2026Arrived | Los Angeles | Reno | -24 | |
| Aug 23, 2026Arrived | Reno | Los Angeles | -14 | |
| Aug 21, 2026Arrived | Los Angeles | Reno | -13 |