Flight OddsDL734 DTW → SEA
Delta Air Lines · Detroit, MI to Seattle, WA · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,927 mi
On-time arrival
78%
Median delay
-4 min
90th percentile
+32 min
Cancellation rate
1%
How often is DL734 on time?
Across 365 flights on DTW → SEA from 2025-07-01 to 2026-06-30, DL734 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +32 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 | 281 | 78% |
| 16-30 min | 39 | 11% |
| 31-60 min | 23 | 6% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | -13 min |
| 2025-08 | 31 | 90% | -11 min |
| 2025-09 | 30 | 93% | -12 min |
| 2025-10 | 31 | 87% | -9 min |
| 2025-11 | 30 | 83% | +5 min |
| 2025-12 | 29 | 45% | +26 min |
| 2026-01 | 30 | 63% | +23 min |
| 2026-02 | 26 | 81% | +0 min |
| 2026-03 | 29 | 66% | +9 min |
| 2026-04 | 30 | 90% | -9 min |
| 2026-05 | 31 | 65% | +12 min |
| 2026-06 | 30 | 80% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 80% |
| Tue | 53 | 72% |
| Wed | 52 | 83% |
| Thu | 52 | 87% |
| Fri | 49 | 76% |
| Sat | 51 | 76% |
| Sun | 52 | 77% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…