Flight OddsDL3878 IAD → DTW
Delta Air Lines · Washington, DC to Detroit, MI · 24 flights observed, 2026-04-13 to 2026-05-06 · 383 mi
DL3878 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
88%
Median delay
-13 min
90th percentile
+12 min
Cancellation rate
0%
How often is DL3878 on time?
Across 24 flights on IAD → DTW from 2026-04-13 to 2026-05-06, DL3878 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +12 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 | 21 | 88% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 18 | 83% | -5 min |
| 2026-05 | 6 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 50% |
| Thu | 3 | 100% |
| Fri | 3 | 100% |
| Sat | 3 | 100% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…