Is DL4939 delayed?
No — DL4939 landed in St Louis 24 min early, at 07:41 on Sep 29 (as of Sep 29, 12:42 UTC).
Usually on time: arrived within 15 min of schedule on 23 of the last 25 flights.
24 min early
Official source · Updated
Departure
New York
LGA
Scheduled
Sep 29
Arrival
St Louis
STL
Actual
Scheduled 08:06
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
- 24 min early
New York → St Louis
- On schedule (9 min behind)
New York → St Louis
- 110 min late
St Louis → New York
- 13 min early
St Louis → New York
- 10 min early
New York → St Louis
Is DL4939 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
New York LaGuardia (LGA) departures
- Left more than 15 min late
- 4 of 75
- Cancelled today
- 1
Related flights
Airports
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | New York | St Louis | -24 | |
| Sep 28, 2026Arrived | New York | St Louis | 9 | |
| Sep 27, 2026Arrived | St Louis | New York | 110 | |
| Sep 26, 2026Arrived | St Louis | New York | -13 | |
| Sep 25, 2026Arrived | New York | St Louis | -10 | |
| Sep 24, 2026Arrived | New York | St Louis | -26 | |
| Sep 23, 2026Arrived | New York | St Louis | 101 | |
| Sep 22, 2026Arrived | New York | St Louis | -6 | |
| Sep 21, 2026Arrived | New York | St Louis | 0 | |
| Sep 20, 2026Arrived | St Louis | New York | 3 | |
| Sep 19, 2026Arrived | St Louis | New York | 2 | |
| Sep 18, 2026Arrived | New York | St Louis | -14 | |
| Sep 17, 2026Arrived | New York | St Louis | -20 | |
| Sep 16, 2026Arrived | New York | St Louis | -19 | |
| Sep 15, 2026Arrived | New York | St Louis | -17 | |
| Sep 13, 2026Arrived | St Louis | New York | 8 | |
| Sep 12, 2026Arrived | St Louis | New York | 3 | |
| Sep 11, 2026Arrived | New York | St Louis | -18 | |
| Sep 10, 2026Arrived | New York | St Louis | -10 | |
| Sep 9, 2026Arrived | New York | St Louis | -25 | |
| Sep 8, 2026Arrived | New York | St Louis | 2 | |
| Sep 7, 2026Arrived | New York | St Louis | -11 | |
| Sep 5, 2026Arrived | St Louis | New York | 9 | |
| Sep 4, 2026Arrived | New York | St Louis | 2 | |
| Sep 3, 2026Arrived | New York | St Louis | -23 |
Email me if DL4939 runs late
We email you if your next DL4939 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.