About 1 in 2 DL 4904 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (42%); 6.0% were cancelled. The typical flight landed 1 minutes late.
DL 4904: LGA → DSM
Scheduled to leave New York at 5:15 p.m. local time, operated by Endeavor Air as 9E 4904. Over the past year it arrived on time 58% of the time (349 flights), in line with other DL flights on the route at that hour (56%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 51% |
| Tuesday | 52 | 65% |
| Wednesday | 52 | 63% |
| Thursday | 51 | 47% |
| Friday | 51 | 65% |
| Saturday | 38 | 66% |
| Sunday | 52 | 50% |
Why it was late
All flights LGA → DSM · Connecting off DL 4904? Check the risk
Questions
How often is DL 4904 from LGA to DSM late?
Delta Air Lines 4904 from New York, NY to Des Moines, IA arrived 15 or more minutes late, was diverted or was cancelled on 42% of 349 scheduled flights between September 2025 and August 2026. 6.0% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.