Flight OddsDL5631 IND → BOS
Delta Air Lines · Indianapolis, IN to Boston, MA · 364 flights observed, 2025-07-01 to 2026-06-30 · 818 mi
On-time arrival
94%
Median delay
-18 min
90th percentile
+9 min
Cancellation rate
2%
How often is DL5631 on time?
Across 364 flights on IND → BOS from 2025-07-01 to 2026-06-30, DL5631 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +9 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 | 335 | 94% |
| 16-30 min | 12 | 3% |
| 31-60 min | 8 | 2% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 97% | -15 min |
| 2025-08 | 31 | 97% | -14 min |
| 2025-09 | 30 | 97% | -15 min |
| 2025-10 | 31 | 100% | -14 min |
| 2025-11 | 30 | 97% | -18 min |
| 2025-12 | 31 | 77% | -2 min |
| 2026-01 | 29 | 79% | +3 min |
| 2026-02 | 26 | 88% | -9 min |
| 2026-03 | 29 | 93% | -13 min |
| 2026-04 | 30 | 97% | -19 min |
| 2026-05 | 31 | 100% | -20 min |
| 2026-06 | 30 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 82% |
| Tue | 51 | 92% |
| Wed | 52 | 98% |
| Thu | 52 | 96% |
| Fri | 50 | 92% |
| Sat | 52 | 94% |
| Sun | 51 | 100% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…