DL4814 IAD → DTW

Delta Air Lines · Washington, DC to Detroit, MI · 12 flights observed, 2025-12-20 to 2026-01-04 · 383 mi

DL4814 covers more than one route in the data window — the stats below are for IAD → DTW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
-2 min
90th percentile
+108 min
Cancellation rate
0%

How often is DL4814 on time?

Across 12 flights on IAD → DTW from 2025-12-20 to 2026-01-04, DL4814 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +108 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time867%
16-30 min00%
31-60 min18%
61-120 min217%
2+ hrs18%

Performance by month

MonthFlightsOn-timeAvg delay
2025-12956%+40 min
2026-013100%-10 min

Performance by day of week

DayFlightsOn-time
Mon250%
Tue250%
WedNo data—
ThuNo data—
Fri2100%
Sat333%
Sun3100%

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