1,288 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s ATL → DSM flights land within a few points of 85% on time whatever the hour.

Best time to leave 3–4 pm 89% arrive on time from ATL

Best single flight DL 1704 ATL 09:33 → DSM 10:45 · 88% on time Avoid DL 2086 ATL 16:37 → DSM 17:52 · 82% on time

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).

ATL

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Des Moines flights leaving ATL 9–10 am: 1Close ×


DL 1704	ATL 09:33	DSM 10:45	2h 13m	361	88%	2.5%	56 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta (incl. Endeavor)	1,288	85%	2.4%	60 min

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 1704	ATL 09:33	DSM 10:45	88%
DL 2306	ATL 21:15	DSM 22:31	82%
DL 2086	ATL 16:37	DSM 17:52	82%

All 4 flights on this route →

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	ATL	DSM	2h 11m	85%	2.4%	1,288	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

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