Flight OddsDL503 ATL → PDX
Delta Air Lines · Atlanta, GA to Portland, OR · 352 flights observed, 2025-07-01 to 2026-06-30 · 2,172 mi
On-time arrival
75%
Median delay
0 min
90th percentile
+40 min
Cancellation rate
1%
How often is DL503 on time?
Across 352 flights on ATL → PDX from 2025-07-01 to 2026-06-30, DL503 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +40 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 | 264 | 75% |
| 16-30 min | 36 | 10% |
| 31-60 min | 30 | 9% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +16 min |
| 2025-08 | 31 | 81% | +7 min |
| 2025-09 | 30 | 93% | -6 min |
| 2025-10 | 30 | 67% | +19 min |
| 2025-11 | 29 | 66% | +21 min |
| 2025-12 | 31 | 74% | +8 min |
| 2026-01 | 23 | 83% | +5 min |
| 2026-02 | 24 | 83% | +4 min |
| 2026-03 | 30 | 60% | +20 min |
| 2026-04 | 30 | 87% | -3 min |
| 2026-05 | 31 | 77% | +8 min |
| 2026-06 | 30 | 73% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 79% |
| Tue | 50 | 78% |
| Wed | 50 | 80% |
| Thu | 52 | 73% |
| Fri | 51 | 71% |
| Sat | 47 | 85% |
| Sun | 48 | 63% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…