Flight OddsDL2645 SAT → BOS
Delta Air Lines · San Antonio, TX to Boston, MA · 31 flights observed, 2026-05-07 to 2026-06-06 · 1,764 mi
DL2645 covers more than one route in the data window — the stats below are for SAT → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-8 min
90th percentile
+67 min
Cancellation rate
3%
How often is DL2645 on time?
Across 31 flights on SAT → BOS from 2026-05-07 to 2026-06-06, DL2645 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +67 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 69% |
| 16-30 min | 4 | 14% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 10% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 23 | 74% | -3 min |
| 2026-06 | 6 | 50% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 3 | 67% |
| Wed | 3 | 33% |
| Thu | 5 | 80% |
| Fri | 5 | 40% |
| Sat | 5 | 60% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…