Flight OddsDL1439 BOS → TPA
Delta Air Lines · Boston, MA to Tampa, FL · 343 flights observed, 2025-07-01 to 2026-06-30 · 1,185 mi
DL1439 covers more than one route in the data window — the stats below are for BOS → TPA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
0 min
90th percentile
+92 min
Cancellation rate
2%
How often is DL1439 on time?
Across 343 flights on BOS → TPA from 2025-07-01 to 2026-06-30, DL1439 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +92 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 | 237 | 71% |
| 16-30 min | 18 | 5% |
| 31-60 min | 31 | 9% |
| 61-120 min | 23 | 7% |
| 2+ hrs | 25 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 38% | +45 min |
| 2025-08 | 31 | 77% | +5 min |
| 2025-09 | 30 | 53% | +30 min |
| 2025-10 | 27 | 56% | +35 min |
| 2025-11 | 25 | 84% | +2 min |
| 2025-12 | 26 | 62% | +22 min |
| 2026-01 | 25 | 80% | +26 min |
| 2026-02 | 22 | 68% | +19 min |
| 2026-03 | 29 | 79% | +21 min |
| 2026-04 | 30 | 87% | -1 min |
| 2026-05 | 30 | 90% | +7 min |
| 2026-06 | 30 | 77% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 64% |
| Tue | 52 | 65% |
| Wed | 51 | 88% |
| Thu | 51 | 71% |
| Fri | 50 | 68% |
| Sat | 34 | 74% |
| Sun | 46 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…