Flight OddsDL5517 IAD → DTW
Delta Air Lines · Washington, DC to Detroit, MI · 21 flights observed, 2026-01-19 to 2026-02-11 · 383 mi
DL5517 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
74%
Median delay
-8 min
90th percentile
+127 min
Cancellation rate
10%
How often is DL5517 on time?
Across 21 flights on IAD → DTW from 2026-01-19 to 2026-02-11, DL5517 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +127 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 74% |
| 16-30 min | 1 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 2 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 9 | 67% | +56 min |
| 2026-02 | 10 | 80% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 3 | 100% |
| Wed | 4 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 33% |
| Sat | No data | — |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…