Flight OddsDL998 MIA → BOS
Delta Air Lines · Miami, FL to Boston, MA · 62 flights observed, 2026-01-05 to 2026-03-07 · 1,258 mi
DL998 covers more than one route in the data window — the stats below are for MIA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-10 min
90th percentile
+40 min
Cancellation rate
5%
How often is DL998 on time?
Across 62 flights on MIA → BOS from 2026-01-05 to 2026-03-07, DL998 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +40 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 45 | 76% |
| 16-30 min | 5 | 8% |
| 31-60 min | 5 | 8% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 81% | +2 min |
| 2026-02 | 26 | 69% | +5 min |
| 2026-03 | 7 | 86% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 100% |
| Wed | 9 | 89% |
| Thu | 9 | 44% |
| Fri | 9 | 67% |
| Sat | 9 | 67% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…