Flight OddsDL438 BOS → ATL
Delta Air Lines · Boston, MA to Atlanta, GA · 23 flights observed, 2026-01-19 to 2026-02-11 · 946 mi
DL438 covers more than one route in the data window — the stats below are for BOS → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-2 min
90th percentile
+67 min
Cancellation rate
4%
How often is DL438 on time?
Across 23 flights on BOS → ATL from 2026-01-19 to 2026-02-11, DL438 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +67 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 73% |
| 16-30 min | 1 | 5% |
| 31-60 min | 2 | 9% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 12 | 67% | +37 min |
| 2026-02 | 10 | 80% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 3 | 33% |
| Fri | 3 | 100% |
| Sat | 3 | 33% |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…