Flight profile · Delta Air Lines
DL734
Detroit (DTW) to Seattle (SEA) · scheduled 8:30 AM – 10:45 AM
How DL734 performs
812 operations, 2024-03-10 to 2026-06-30.
DL734 arrived on time 84.7% of the time, against 80.5% for all DTW → SEA flights — this specific departure is 4.2 percentage points better than the route as a whole. Against Delta Air Lines’s own flights on this route it is 3.4 points better.
Source: US DOT Bureau of Transportation Statistics · 812 operations between 2024-03-10 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL734 | 84.7% | 0.86% | -8 min | 2.7% | 812 |
| Delta Air Lines on DTW → SEA | 81.2% | 0.60% | -8 min | 4.8% | 4,640 |
| All DTW → SEA flights | 80.5% | 0.64% | -7 min | 4.8% | 6,207 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-03-10 to 2026-06-30
Other routes DL734 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
Because the same number has served different journeys, the statistics above describe only the route DL734 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 812 records of DL734 operating DTW → SEA, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.