66% of BOS → DTW flights arrived on time in June-August 2026 (704 flights). The most reliable was DL 1019, on time 94% of the time on this route. Morning flights did best (82%), evening flights worst (48%). Boston Logan (BOS): no delay reported. Detroit (DTW): no delay reported.
Best time of day to fly BOS → DTW
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights BOS → DTW, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| DL 1019 Delta | 5:30 AM | 1.1% | |
| DL 1748 Delta | 9:15 AM | 2.2% | |
| DL 2222 Delta | 1:10 PM | 2.2% | |
| B6 837 JetBlue | 11:43 AM | 4.8% | |
| DL 1432 Delta | 5:15 PM | 2.2% | |
| B6 1237 JetBlue | 3:38 PM | 10.2% | |
| B6 1337 JetBlue | 8:33 PM | 8.7% | |
| DL 2896 Delta | 9:05 PM | 4.1% |
BOS conditions · DTW conditions · DTW → BOS · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.