Flight OddsDL4823 IAD → DTW
Delta Air Lines · Washington, DC to Detroit, MI · 131 flights observed, 2025-07-01 to 2025-11-08 · 383 mi
DL4823 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
87%
Median delay
-10 min
90th percentile
+19 min
Cancellation rate
0%
How often is DL4823 on time?
Across 131 flights on IAD → DTW from 2025-07-01 to 2025-11-08, DL4823 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +19 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 114 | 87% |
| 16-30 min | 8 | 6% |
| 31-60 min | 3 | 2% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +10 min |
| 2025-08 | 31 | 87% | +3 min |
| 2025-09 | 30 | 97% | -10 min |
| 2025-10 | 31 | 84% | +1 min |
| 2025-11 | 8 | 88% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 89% |
| Tue | 19 | 89% |
| Wed | 19 | 84% |
| Thu | 19 | 84% |
| Fri | 19 | 79% |
| Sat | 19 | 89% |
| Sun | 18 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…