Flight OddsDL3877 DTW → IAD
Delta Air Lines · Detroit, MI to Washington, DC · 16 flights observed, 2025-12-20 to 2026-01-04 · 383 mi
DL3877 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
40%
Median delay
+28 min
90th percentile
+236 min
Cancellation rate
6%
How often is DL3877 on time?
Across 16 flights on DTW → IAD from 2025-12-20 to 2026-01-04, DL3877 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +236 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 40% |
| 16-30 min | 2 | 13% |
| 31-60 min | 2 | 13% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 3 | 20% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 55% | +73 min |
| 2026-01 | 4 | 0% | +89 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 0% |
| Wed | 2 | 50% |
| Thu | 2 | 50% |
| Fri | 1 | 0% |
| Sat | 3 | 67% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…