Flight OddsDL1477 ORD → ATL
Delta Air Lines · Chicago, IL to Atlanta, GA · 296 flights observed, 2025-07-01 to 2026-06-30 · 606 mi
DL1477 covers more than one route in the data window — the stats below are for ORD → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-11 min
90th percentile
+53 min
Cancellation rate
2%
How often is DL1477 on time?
Across 296 flights on ORD → ATL from 2025-07-01 to 2026-06-30, DL1477 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +53 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 | 220 | 76% |
| 16-30 min | 17 | 6% |
| 31-60 min | 27 | 9% |
| 61-120 min | 17 | 6% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 75% | +9 min |
| 2025-08 | 31 | 84% | -15 min |
| 2025-09 | 30 | 90% | -16 min |
| 2025-10 | 30 | 83% | -2 min |
| 2025-11 | 25 | 68% | +42 min |
| 2025-12 | 27 | 63% | +15 min |
| 2026-01 | 27 | 67% | +8 min |
| 2026-02 | 28 | 89% | -8 min |
| 2026-03 | 7 | 43% | +96 min |
| 2026-05 | 25 | 84% | +1 min |
| 2026-06 | 30 | 67% | +49 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 41 | 78% |
| Tue | 44 | 77% |
| Wed | 40 | 80% |
| Thu | 40 | 85% |
| Fri | 40 | 73% |
| Sat | 42 | 81% |
| Sun | 41 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…