Flight OddsDL1156 AUS → BOS
Delta Air Lines · Austin, TX to Boston, MA · 305 flights observed, 2025-07-01 to 2026-06-30 · 1,698 mi
DL1156 covers more than one route in the data window — the stats below are for AUS → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+9 min
90th percentile
+110 min
Cancellation rate
2%
How often is DL1156 on time?
Across 305 flights on AUS → BOS from 2025-07-01 to 2026-06-30, DL1156 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +110 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 | 171 | 57% |
| 16-30 min | 23 | 8% |
| 31-60 min | 40 | 13% |
| 61-120 min | 40 | 13% |
| 2+ hrs | 25 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 59% | +40 min |
| 2025-08 | 31 | 68% | +17 min |
| 2025-09 | 30 | 27% | +65 min |
| 2025-10 | 28 | 43% | +62 min |
| 2025-11 | 26 | 65% | +36 min |
| 2025-12 | 19 | 47% | +22 min |
| 2026-01 | 12 | 67% | +40 min |
| 2026-02 | 11 | 45% | +44 min |
| 2026-03 | 23 | 74% | +27 min |
| 2026-04 | 29 | 48% | +60 min |
| 2026-05 | 31 | 68% | +25 min |
| 2026-06 | 30 | 73% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 56% |
| Tue | 46 | 65% |
| Wed | 45 | 56% |
| Thu | 41 | 46% |
| Fri | 43 | 60% |
| Sat | 38 | 71% |
| Sun | 43 | 47% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…