DL4721 DSM → ATL

Delta Air Lines · Des Moines, IA to Atlanta, GA · 15 flights observed, 2025-12-21 to 2026-01-04 · 743 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -19 min, while the worst 10% run +44 min or later.

DL4721 covers more than one route in the data window — the stats below are for DSM → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
-19 min
90th percentile
+44 min
Cancellation rate
0%

How often is DL4721 on time?

Across 15 flights on DSM → ATL from 2025-12-21 to 2026-01-04, DL4721 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +44 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1280%
16-30 min17%
31-60 min00%
61-120 min17%
2+ hrs17%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121173%+19 min
2026-014100%-27 min

Performance by day of week

DayFlightsOn-time
Mon250%
Tue2100%
Wed2100%
Thu2100%
Fri2100%
Sat250%
Sun367%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…