Flight OddsDL4109 ATL → SBN
Delta Air Lines · Atlanta, GA to South Bend, IN · 193 flights observed, 2025-12-20 to 2026-06-30 · 566 mi
DL4109 covers more than one route in the data window — the stats below are for ATL → SBN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+4 min
90th percentile
+118 min
Cancellation rate
3%
How often is DL4109 on time?
Across 193 flights on ATL → SBN from 2025-12-20 to 2026-06-30, DL4109 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +118 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 | 116 | 62% |
| 16-30 min | 14 | 7% |
| 31-60 min | 18 | 10% |
| 61-120 min | 21 | 11% |
| 2+ hrs | 18 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 50% | +33 min |
| 2026-01 | 29 | 55% | +87 min |
| 2026-02 | 27 | 59% | +41 min |
| 2026-03 | 29 | 52% | +50 min |
| 2026-04 | 30 | 77% | +12 min |
| 2026-05 | 31 | 61% | +54 min |
| 2026-06 | 29 | 72% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 50% |
| Tue | 28 | 68% |
| Wed | 26 | 73% |
| Thu | 26 | 54% |
| Fri | 26 | 58% |
| Sat | 28 | 79% |
| Sun | 25 | 52% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…