Flight profile · Delta Air Lines
DL671
Salt Lake City (SLC) to New York (JFK) · scheduled 2:30 PM – 8:59 PM
How DL671 performs
687 operations, 2024-06-07 to 2026-06-30.
DL671 arrived on time 73.7% of the time, against 79.3% for all SLC → JFK flights — this specific departure is 5.5 percentage points worse than the route as a whole. Against Delta Air Lines’s own flights on this route it is 8.5 points worse.
Source: US DOT Bureau of Transportation Statistics · 687 operations between 2024-06-07 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL671 | 73.7% | 1.16% | -11 min | 11.9% | 687 |
| Delta Air Lines on SLC → JFK | 82.2% | 0.83% | -12 min | 6.2% | 4,559 |
| All SLC → JFK flights | 79.3% | 1.15% | -10 min | 8.3% | 5,910 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-06-07 to 2026-06-30
Other routes DL671 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.
| Route | Operated | Flights | On time |
|---|---|---|---|
| JFK→SAT New York to San Antonio | 2025-01-11 – 2025-02-08 | 5 | — |
| JFK→SLC New York to Salt Lake City | 2024-05-07 – 2024-06-06 | 31 | — |
| SLC→SAT Salt Lake City to San Antonio | 2024-04-09 – 2024-05-06 | 28 | — |
| JFK→SFO New York to San Francisco | 2024-03-10 – 2024-04-08 | 18 | — |
| SFO→JFK San Francisco to New York | 2024-03-10 – 2024-04-08 | 18 | — |
| SLC→DTW Salt Lake City to Detroit | 2024-01-08 – 2024-03-09 | 62 | — |
| DTW→PBI Detroit to West Palm Beach | 2023-12-21 – 2024-01-07 | 18 | — |
| PBI→DTW West Palm Beach to Detroit | 2023-12-21 – 2024-01-07 | 18 | — |
| LAS→BOS Las Vegas to Boston | 2023-11-05 – 2023-12-15 | 37 | — |
| HNL→LAX Honolulu to Los Angeles | 2023-09-05 – 2023-11-04 | 61 | — |
| ORD→ATL Chicago to Atlanta | 2023-07-10 – 2023-09-04 | 39 | — |
| DTW→MSN Detroit to Madison | 2023-07-01 – 2023-07-08 | 7 | — |
Because the same number has served different journeys, the statistics above describe only the route DL671 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 687 records of DL671 operating SLC → JFK, 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.