Flight OddsDL1550 ATL → RDU
Delta Air Lines · Atlanta, GA to Raleigh/Durham, NC · 342 flights observed, 2025-07-01 to 2026-06-30 · 356 mi
DL1550 covers more than one route in the data window — the stats below are for ATL → RDU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-5 min
90th percentile
+25 min
Cancellation rate
1%
How often is DL1550 on time?
Across 342 flights on ATL → RDU from 2025-07-01 to 2026-06-30, DL1550 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +25 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 | 286 | 85% |
| 16-30 min | 22 | 7% |
| 31-60 min | 14 | 4% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +8 min |
| 2025-08 | 30 | 87% | 0 min |
| 2025-09 | 30 | 93% | -2 min |
| 2025-10 | 31 | 97% | -5 min |
| 2025-11 | 27 | 93% | -4 min |
| 2025-12 | 18 | 89% | +5 min |
| 2026-01 | 26 | 92% | -1 min |
| 2026-02 | 28 | 71% | +12 min |
| 2026-03 | 31 | 65% | +17 min |
| 2026-04 | 30 | 83% | +5 min |
| 2026-05 | 31 | 84% | +1 min |
| 2026-06 | 24 | 88% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 83% |
| Tue | 51 | 82% |
| Wed | 50 | 90% |
| Thu | 49 | 94% |
| Fri | 48 | 85% |
| Sat | 45 | 80% |
| Sun | 46 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…