Is DL421 delayed?
DL421 left Detroit 7 min early, at 12:34 on Sep 29; its arrival time is not confirmed yet.
Usually on time: arrived within 15 min of schedule on 18 of the last 26 flights.
7 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Detroit
DTW
Actual
Scheduled 12:41
Sep 29
Arrival
Las Vegas
LAS
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Detroit)
In the air. The market on this flight settles on the airport’s recorded arrival.
Think DL421 runs late on Sep 30? Delayed is trading at 32¢ — pays out x3.10.
Will Delta Air Lines DAL 421 from Detroit to Las Vegas arrive on time, be delayed, or be cancelled on Sep 30?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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.
- 19 min late
Detroit → Las Vegas
- On schedule (9 min behind)
Detroit → Las Vegas
- 2 min early
Detroit → Las Vegas
- On schedule (7 min behind)
Detroit → Las Vegas
- On schedule (1 min behind)
Detroit → Las Vegas
Is DL421 usually late?
Observation window: Aug 30, 2026 – Sep 29, 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
Detroit (DTW) departures
- Left more than 15 min late
- 17 of 166
- Cancelled today
- 0
Las Vegas (LAS) departures
- Left more than 15 min late
- 44 of 164
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Detroit | Las Vegas | 19 | |
| Sep 27, 2026Arrived | Detroit | Las Vegas | 9 | |
| Sep 26, 2026Arrived | Detroit | Las Vegas | -2 | |
| Sep 25, 2026Arrived | Detroit | Las Vegas | 7 | |
| Sep 24, 2026Arrived | Detroit | Las Vegas | 1 | |
| Sep 23, 2026Arrived | Detroit | Las Vegas | -12 | |
| Sep 22, 2026Arrived | Detroit | Las Vegas | -7 | |
| Sep 21, 2026Arrived | Detroit | Las Vegas | 1 | |
| Sep 20, 2026Arrived | Detroit | Las Vegas | 7 | |
| Sep 19, 2026Arrived | Detroit | Las Vegas | 38 | |
| Sep 18, 2026Arrived | Detroit | Las Vegas | 15 | |
| Sep 17, 2026Arrived | Detroit | Las Vegas | 2 | |
| Sep 16, 2026Arrived | Detroit | Las Vegas | 34 | |
| Sep 13, 2026Arrived | Detroit | Las Vegas | 3 | |
| Sep 12, 2026Arrived | Detroit | Las Vegas | 23 | |
| Sep 11, 2026Arrived | Detroit | Las Vegas | 7 | |
| Sep 10, 2026Arrived | Detroit | Las Vegas | -3 | |
| Sep 9, 2026Arrived | Detroit | Las Vegas | 19 | |
| Sep 8, 2026Arrived | Detroit | Las Vegas | 11 | |
| Sep 7, 2026Arrived | Detroit | Las Vegas | 11 | |
| Sep 6, 2026Arrived | Detroit | Las Vegas | 17 | |
| Sep 5, 2026Arrived | Detroit | Las Vegas | 5 | |
| Sep 4, 2026Arrived | Detroit | Las Vegas | 182 | |
| Sep 3, 2026Arrived | Detroit | Las Vegas | -9 | |
| Sep 1, 2026Arrived | Detroit | Las Vegas | 6 | |
| Aug 31, 2026Arrived | Detroit | Las Vegas | -1 |
Email me if DL421 runs late
We email you if your next DL421 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.