Flight OddsDL505 FLL → BOS
Delta Air Lines · Fort Lauderdale, FL to Boston, MA · 24 flights observed, 2026-02-12 to 2026-03-07 · 1,237 mi
DL505 covers more than one route in the data window — the stats below are for FLL → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-8 min
90th percentile
+12 min
Cancellation rate
13%
How often is DL505 on time?
Across 24 flights on FLL → BOS from 2026-02-12 to 2026-03-07, DL505 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +12 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 90% |
| 16-30 min | 1 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 14 | 86% | +11 min |
| 2026-03 | 7 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 3 | 67% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | 4 | 100% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…