The nonstop is quickest: Delta LGA → DSM (3h 12m), on time 2 times in 3. Delta via Atlanta (5h 46m) is more reliable, 79%, but takes 2h 34m longer.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
| DL 4904flown by Endeavor | LGA 17:02 | DSM 19:15 | 65% |
All 1 Delta flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| DL 4904flown by Endeavor | LGA 17:02 | DSM 19:15 | 3h 12m | 344 | 65% | 5.8% | 82 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Delta | LGA | DSM | 3h 12m | 70% | 4.8% | 484 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | LGA 06:05 → DTW 07:54DL 1231 | 51m Detroit | DTW 08:45 → DSM 09:44DL 5058 · flown by Endeavor | 4h 39m | 93% | 74% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON