DEN → ATL Delta Air Lines

Delta Air Lines · Denver, CO to Atlanta, GA · 2,805 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers

This route runs much more reliably at some times of day than others — 95% on-time departing 3–6am vs. 33% departing 6–9pm.
On-time arrival
87%
Median delay
-11 min
90th percentile
+24 min
Cancellation rate
1%

How on-time is Delta Air Lines from DEN to ATL?

Across every Delta Air Lines flight number on DEN → ATL (2,805 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +24 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,39887%
16-30 min1365%
31-60 min1184%
61-120 min652%
2+ hrs502%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0725178%+18 min
2025-0823485%-1 min
2025-0921890%-4 min
2025-1022590%-5 min
2025-1121192%-8 min
2025-1222876%+6 min
2026-0122388%-7 min
2026-0221791%-12 min
2026-0323386%-5 min
2026-0423594%-4 min
2026-0523786%-1 min
2026-0625585%-1 min

Performance by day of week

DayFlightsOn-time
Mon41584%
Tue42089%
Wed39090%
Thu38786%
Fri40886%
Sat37587%
Sun37284%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…