Flight OddsDL1787 IAD → DTW
Delta Air Lines · Washington, DC to Detroit, MI · 52 flights observed, 2026-05-07 to 2026-06-30 · 383 mi
DL1787 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
78%
Median delay
-7 min
90th percentile
+79 min
Cancellation rate
4%
How often is DL1787 on time?
Across 52 flights on IAD → DTW from 2026-05-07 to 2026-06-30, DL1787 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +79 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 78% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 4% |
| 61-120 min | 8 | 16% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 24 | 92% | +8 min |
| 2026-06 | 26 | 65% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 75% |
| Wed | 6 | 67% |
| Thu | 8 | 75% |
| Fri | 8 | 75% |
| Sat | 5 | 100% |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…