Flight number record
DL 697
Delta Air Lines · Salt Lake City to New York
- Route
- SLC → JFK
- Departs
- 17:25
- Flights
- 365
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 697, check with Delta Air Lines.
DL 697 lands a B, 3 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That rests on 365 flights, with a median arrival 12 minutes early.
Key figures
On time
80.3%
Arrivals under 15 minutes late, of 355 completed flights
Avg delay
65 min
Across delayed arrivals only, not all flights
Cancelled
1.92%
National rate is 1.89%
1 hour+ late
7.0%
National rate is 8.3%
These figures cover 365 flights between September 2025 and August 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Schedule
When DL 697 flies
DL 697 flies SLC to JFK without a single fixed slot. Its most common scheduled departure was 17:25, used on 88 of 365 flights, with 17:10 (86 flights) and 17:26 (60 flights) next.
- Departs 17:2588 flights24.1%
- Departs 17:1086 flights23.6%
- Departs 17:2660 flights16.4%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 17:25 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.0%, and DL 697 runs 12 points better at 80.3%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
DL 697 next to SLC to JFK
Every carrier on SLC to JFK combined arrived on time 81.3% of the time across 1,932 flights, so DL 697 is about level with it. Delta flew 1,539 flights on the same city pair under all its flight numbers, including this one, and those ran 83.2% on time. Across its whole network Delta Air Lines managed 81.1%, close to this flight's figure.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 697 | 365 | 80.3% | 65 min | 1.92% | B |
| All Delta Air Lines on SLC–JFK | 1,539 | 83.2% | 66 min | 1.95% | B |
| All carriers on SLC–JFK | 1,932 | 81.3% | 72 min | 2.59% | B |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 697 quarter by quarter
DL 697 did not run the same all year. Its best quarter was Oct–Dec 2025 at 84.6% on time and its weakest Jul–Sep 2026 at 67.8%, a swing of 17 points on roughly 73 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202530 flights83.3%
- Oct–Dec 202592 flights84.6%
- Jan–Mar 202690 flights82.1%
- Apr–Jun 202691 flights81.3%
- Jul–Sep 202662 flights67.8%
Scale runs 60% to 90%.
By weekday, DL 697 ranged from 74.5% on Monday to 86.3% on Tuesday. With about 52 flights behind each day, a spread of 12 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late DL 697 runs when it is late
DL 697 often beats the schedule: 159 of 355 completed flights, 45%, arrived 15 minutes or more early. The 70 late arrivals split 25 under half an hour, 20 between 30 and 60 minutes, and 25 an hour or more.
- 15+ min early159 flights44.8%
- Within 15 min126 flights35.5%
- 15–29 min late25 flights7.0%
- 30–59 min late20 flights5.6%
- 1–2 hours late14 flights3.9%
- 2+ hours late11 flights3.1%
Scale runs 0% to 100%.
Share of 355 completed flights by arrival against schedule.
A late pushback is often recovered here: of 92 departures that left 15 minutes late or more, 30 still arrived on time. 8 flights left on time and still arrived late.
The worst days
Worst days for DL 697
The latest arrival of the period was on 29 May 2026, 4 hours 18 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on five of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 29 May 2026 | 4 hours 18 minutes | Carrier |
| 29 January 2026 | 3 hours 37 minutes | Carrier |
| 30 December 2025 | 3 hours 36 minutes | Carrier |
| 23 November 2025 | 3 hours 30 minutes | Carrier |
| 22 January 2026 | 3 hours 17 minutes | Carrier |
Delay causes
Why DL 697 runs late
Carrier accounts for 47% of the 4,548 delay minutes carriers reported here, and the remaining four split what is left.
- 47%Carrier
- 28%Late-arriving aircraft
- 21%National Airspace System
- 4%Extreme weather
The largest share of delay minutes, 47%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 2,153 of the 4,548 delay minutes reported here. The split is drawn from 4,548 delay minutes reported on DL 697.
Cancellations sit at 1.92% against a national 1.89%, which is ordinary. Diversions add another 0.82%.
Connections and routes
What a delay on this flight costs
7.0% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
At 1,990 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
Every one of the 365 flights under DL 697 in the data flew SLC to JFK. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 365 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking DL 697
For a booking, read DL 697 as 80.3% on time with 1.92% cancelled over 365 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- SLC to JFK, every carrier and departure
- JFK to SLC, the return direction
- Delta Air Lines 705 on the same route86.5%
- Delta Air Lines 671 on the same route79.0%
- Salt Lake City International (SLC) delay statistics
- John F. Kennedy International (JFK) delay statistics
- Delta Air Lines on-time record
- Every Delta Air Lines flight number with a record
- The most and least reliable flight numbers in the US
- Worst months to fly in the US, ranked by the data
A flight number here means Delta Air Lines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.