Flight number record
DL 707
Delta Air Lines · New York to Los Angeles
- Route
- JFK → LAX
- Departs
- 19:45
- Flights
- 339
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 707, check with Delta Air Lines.
DL 707 sits in the middle of the pack with a C−. About seven flights in ten arrive on time by the DOT's definition, 6 points worse than the national rate of 77.3%. The late ones land about an hour behind schedule. That rests on 339 flights, with a median arrival 4 minutes early.
The national on-time rate over the same period is 77.3%, so DL 707 runs 6 points behind the country as a whole. Across a thousand flights that is about 64 extra late arrivals.
Key figures
On time
70.9%
Arrivals under 15 minutes late, of 323 completed flights
Avg delay
61 min
Across delayed arrivals only, not all flights
Cancelled
4.72%
National rate is 1.89%
1 hour+ late
8.7%
National rate is 8.3%
These figures cover 339 flights between September 2025 and August 2026. Beyond the headline rate, 8.7% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When DL 707 flies
DL 707 flies JFK to LAX without a single fixed slot. Its most common scheduled departure was 19:45, used on 114 of 339 flights, with 19:00 (99 flights) and 19:25 (52 flights) next.
- Departs 19:45114 flights33.6%
- Departs 19:0099 flights29.2%
- Departs 19:2552 flights15.3%
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 19:45 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.0%, and DL 707 runs 3 points better at 70.9%. 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 707 next to JFK to LAX
Every carrier on JFK to LAX combined arrived on time 75.4% of the time across 10,285 flights, so DL 707 is 5 points behind it. Delta flew 3,366 flights on the same city pair under all its flight numbers, including this one, and those ran 75.3% on time. Across its whole network Delta Air Lines managed 81.1%, which this flight trails by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 707thin sample | 339 | 70.9% | 61 min | 4.72% | C− |
| All Delta Air Lines on JFK–LAX | 3,366 | 75.3% | 67 min | 2.55% | B |
| All carriers on JFK–LAX | 10,285 | 75.4% | 78 min | 2.78% | B |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 707 quarter by quarter
DL 707 did not run the same all year. Its best quarter was Jan–Mar 2026 at 75.6% on time and its weakest Jul–Sep 2026 at 52.1%, a swing of 23 points on roughly 85 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 flights—
- Oct–Dec 202586 flights72.3%
- Jan–Mar 202689 flights75.6%
- Apr–Jun 202681 flights71.8%
- Jul–Sep 202653 flights52.1%
Scale runs 45% to 80%. Rows with fewer than 30 flights show a dash.
By weekday, DL 707 did best on Monday at 78.0% on time and worst on Sunday at 58.3%. Each day rests on about 48 flights, so a gap of 20 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late DL 707 runs when it is late
DL 707 often beats the schedule: 108 of 323 completed flights, 33%, arrived 15 minutes or more early. The 94 late arrivals split 31 under half an hour, 35 between 30 and 60 minutes, and 28 an hour or more.
- 15+ min early108 flights33.4%
- Within 15 min121 flights37.5%
- 15–29 min late31 flights9.6%
- 30–59 min late35 flights10.8%
- 1–2 hours late20 flights6.2%
- 2+ hours late8 flights2.5%
Scale runs 0% to 100%.
Share of 323 completed flights by arrival against schedule.
A late pushback is often recovered here: of 77 departures that left 15 minutes late or more, 25 still arrived on time. In the other direction, 42 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at LAX.
The worst days
Worst days for DL 707
The latest arrival of the period was on 6 November 2025, 11 hours 4 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). Three of the five worst days fell in October 2025.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 6 November 2025 | 11 hours 4 minutes | Carrier |
| 12 October 2025 | 3 hours 42 minutes | Carrier |
| 20 June 2026 | 3 hours 22 minutes | Carrier |
| 23 October 2025 | 3 hours 18 minutes | Carrier |
| 30 October 2025 | 3 hours 13 minutes | Carrier |
Delay causes
Why DL 707 runs late
Carrier accounts for 50% of the 5,757 delay minutes carriers reported here, and the remaining four split what is left.
- 50%Carrier
- 46%National Airspace System
- 3%Late-arriving aircraft
- 1%Extreme weather
- 0%Security
The largest share of delay minutes, 50%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 2,868 of the 5,757 delay minutes reported here. The split is drawn from 5,757 delay minutes reported on DL 707.
Cancellations run at 4.72%, against 1.89% nationally. That is about one flight in twenty cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and routes
What a delay on this flight costs
8.7% 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 2,475 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 339 flights under DL 707 in the data flew JFK to LAX. 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. 339 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 707
For a booking, the cancellation rate is the figure to plan around on DL 707: 4.72% of its 339 scheduled flights did not operate. A late arrival costs about an hour, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- JFK to LAX, every carrier and departure
- LAX to JFK, the return direction
- Delta Air Lines 738 on the same route72.7%
- American Airlines 171 on the same route88.1%
- Delta Air Lines 773 on the same route78.6%
- American Airlines 117 on the same route69.1%
- American Airlines 255 on the same route78.3%
- American Airlines 341 on the same route76.4%
- John F. Kennedy International (JFK) delay statistics
- Los Angeles International (LAX) 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
- What a cancellation rate actually tells you (and what it hides)
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.