Flight OddsDL4688 DTW → IAD
Delta Air Lines · Detroit, MI to Washington, DC · 42 flights observed, 2025-11-08 to 2025-12-19 · 383 mi
DL4688 covers more than one route in the data window — the stats below are for DTW → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-9 min
90th percentile
+109 min
Cancellation rate
0%
How often is DL4688 on time?
Across 42 flights on DTW → IAD from 2025-11-08 to 2025-12-19, DL4688 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +109 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 | 29 | 71% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 7% |
| 61-120 min | 5 | 12% |
| 2+ hrs | 4 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 22 | 68% | +24 min |
| 2025-12 | 19 | 74% | +71 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 33% |
| Tue | 6 | 100% |
| Wed | 6 | 67% |
| Thu | 5 | 80% |
| Fri | 6 | 100% |
| Sat | 6 | 50% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…