Flight OddsDL849 ATL → BOS
Delta Air Lines · Atlanta, GA to Boston, MA · 182 flights observed, 2025-07-01 to 2026-01-04 · 946 mi
DL849 covers more than one route in the data window — the stats below are for ATL → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-9 min
90th percentile
+6 min
Cancellation rate
1%
How often is DL849 on time?
Across 182 flights on ATL → BOS from 2025-07-01 to 2026-01-04, DL849 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +6 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 169 | 94% |
| 16-30 min | 5 | 3% |
| 31-60 min | 4 | 2% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -3 min |
| 2025-08 | 31 | 97% | -9 min |
| 2025-09 | 27 | 93% | -6 min |
| 2025-10 | 30 | 97% | -7 min |
| 2025-11 | 30 | 90% | -8 min |
| 2025-12 | 27 | 93% | -8 min |
| 2026-01 | 4 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 88% |
| Tue | 27 | 93% |
| Wed | 25 | 100% |
| Thu | 26 | 92% |
| Fri | 27 | 93% |
| Sat | 23 | 96% |
| Sun | 26 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…