Flight OddsDL870 SEA → DFW
Delta Air Lines · Seattle, WA to Dallas/Fort Worth, TX · 351 flights observed, 2025-07-01 to 2026-06-28 · 1,660 mi
On-time arrival
71%
Median delay
-3 min
90th percentile
+60 min
Cancellation rate
2%
How often is DL870 on time?
Across 351 flights on SEA → DFW from 2025-07-01 to 2026-06-28, DL870 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +60 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 | 243 | 71% |
| 16-30 min | 31 | 9% |
| 31-60 min | 34 | 10% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 24 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 48% | +42 min |
| 2025-08 | 29 | 59% | +39 min |
| 2025-09 | 30 | 77% | +2 min |
| 2025-10 | 29 | 69% | +17 min |
| 2025-11 | 30 | 83% | -4 min |
| 2025-12 | 27 | 67% | +20 min |
| 2026-01 | 26 | 65% | +25 min |
| 2026-02 | 28 | 82% | +1 min |
| 2026-03 | 29 | 86% | +0 min |
| 2026-04 | 30 | 73% | +38 min |
| 2026-05 | 28 | 86% | -4 min |
| 2026-06 | 28 | 57% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 63% |
| Tue | 50 | 82% |
| Wed | 50 | 76% |
| Thu | 50 | 74% |
| Fri | 50 | 66% |
| Sat | 43 | 79% |
| Sun | 49 | 59% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…