Flight OddsNK2151 BOS → DTW
Spirit Airlines · Boston, MA to Detroit, MI · 81 flights observed, 2025-08-13 to 2025-11-01 · 632 mi
NK2151 covers more than one route in the data window — the stats below are for BOS → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-11 min
90th percentile
+13 min
Cancellation rate
0%
How often is NK2151 on time?
Across 81 flights on BOS → DTW from 2025-08-13 to 2025-11-01, NK2151 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 75 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 2% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 19 | 95% | -5 min |
| 2025-09 | 30 | 90% | -3 min |
| 2025-10 | 31 | 94% | -4 min |
| 2025-11 | 1 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 100% |
| Tue | 11 | 100% |
| Wed | 12 | 92% |
| Thu | 12 | 83% |
| Fri | 12 | 92% |
| Sat | 12 | 92% |
| Sun | 11 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…