Flight OddsDL1748 BOS → DTW
Delta Air Lines · Boston, MA to Detroit, MI · 365 flights observed, 2025-07-01 to 2026-06-30 · 632 mi
On-time arrival
90%
Median delay
-12 min
90th percentile
+15 min
Cancellation rate
2%
How often is DL1748 on time?
Across 365 flights on BOS → DTW from 2025-07-01 to 2026-06-30, DL1748 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +15 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 322 | 90% |
| 16-30 min | 10 | 3% |
| 31-60 min | 10 | 3% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 100% | -11 min |
| 2025-08 | 30 | 97% | -10 min |
| 2025-09 | 30 | 97% | -9 min |
| 2025-10 | 31 | 100% | -18 min |
| 2025-11 | 29 | 86% | 0 min |
| 2025-12 | 31 | 71% | +36 min |
| 2026-01 | 30 | 73% | +46 min |
| 2026-02 | 26 | 81% | -6 min |
| 2026-03 | 31 | 87% | +1 min |
| 2026-04 | 30 | 100% | -13 min |
| 2026-05 | 31 | 94% | -3 min |
| 2026-06 | 29 | 93% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 96% |
| Tue | 52 | 90% |
| Wed | 52 | 90% |
| Thu | 52 | 88% |
| Fri | 51 | 90% |
| Sat | 50 | 90% |
| Sun | 52 | 85% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…