DL4453 ASE → ATL

Delta Air Lines · Aspen, CO to Atlanta, GA · 114 flights observed, 2025-12-20 to 2026-04-12 · 1,304 mi

This flight's reliability varies a lot by day of week — 93% on-time on Wednesdays vs. 35% on Saturdays.
On-time arrival
64%
Median delay
0 min
90th percentile
+103 min
Cancellation rate
3%

How often is DL4453 on time?

Across 114 flights on ASE → ATL from 2025-12-20 to 2026-04-12, DL4453 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +103 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time7064%
16-30 min1110%
31-60 min1110%
61-120 min76%
2+ hrs1110%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121233%+125 min
2026-013080%+0 min
2026-022654%+40 min
2026-033063%+29 min
2026-041275%+7 min

Performance by day of week

DayFlightsOn-time
Mon1663%
Tue1675%
Wed1593%
Thu1656%
Fri1457%
Sat1735%
Sun1669%

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