Flight number record
DL 407
Delta Air Lines · Los Angeles to Detroit
- Route
- LAX → DTW
- Departs
- 22:20
- Flights
- 295
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 407, check with Delta Air Lines.
DL 407 lands a B, level with the national rate of 77.3%. Roughly one flight in four arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 295 flights, with a median arrival 5 minutes early.
Key figures
On time
76.9%
Arrivals under 15 minutes late, of 290 completed flights
Avg delay
79 min
Across delayed arrivals only, not all flights
Cancelled
1.69%
National rate is 1.89%
1 hour+ late
7.2%
National rate is 8.3%
These figures cover 295 flights between September 2025 and August 2026. The median arrival is 5 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 407 flies
DL 407 flies LAX to DTW without a single fixed slot. Its most common scheduled departure was 22:20, used on 49 of 295 flights, with 22:25 (47 flights) and 21:40 (31 flights) next.
- Departs 22:2049 flights16.6%
- Departs 22:2547 flights15.9%
- Departs 21:4031 flights10.5%
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 22:20 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.1%, and DL 407 runs 7 points better at 76.9%. 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 407 next to LAX to DTW
Every carrier on LAX to DTW combined arrived on time 82.2% of the time across 2,364 flights, so DL 407 is 5 points behind it. Delta flew 1,955 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%, which this flight trails by 4 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 407thin sample | 295 | 76.9% | 79 min | 1.69% | B |
| All Delta Air Lines on LAX–DTW | 1,955 | 83.2% | 66 min | 0.92% | B+ |
| All carriers on LAX–DTW | 2,364 | 82.2% | 69 min | 1.23% | B |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 407 quarter by quarter
DL 407 did not run the same all year. Its best quarter was Oct–Dec 2025 at 86.8% on time and its weakest Jul–Sep 2026 at 60.0%, a swing of 27 points on roughly 74 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 flights73.3%
- Oct–Dec 202592 flights86.8%
- Jan–Mar 202625 flights—
- Apr–Jun 202686 flights80.0%
- Jul–Sep 202662 flights60.0%
Scale runs 50% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, DL 407 did best on Saturday at 85.7% on time and worst on Sunday at 59.1%. Each day rests on about 42 flights, so a gap of 27 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late DL 407 runs when it is late
DL 407 often beats the schedule: 79 of 290 completed flights, 27%, arrived 15 minutes or more early. The 67 late arrivals split 19 under half an hour, 27 between 30 and 60 minutes, and 21 an hour or more.
- 15+ min early79 flights27.2%
- Within 15 min144 flights49.7%
- 15–29 min late19 flights6.6%
- 30–59 min late27 flights9.3%
- 1–2 hours late15 flights5.2%
- 2+ hours late6 flights2.1%
Scale runs 0% to 100%.
Share of 290 completed flights by arrival against schedule.
14 of 73 late departures made up the time and arrived on time, 19% of them. 8 flights left on time and still arrived late.
The worst days
Worst days for DL 407
The latest arrival of the period was on 23 September 2025, 13 hours 24 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 |
|---|---|---|
| 23 September 2025 | 13 hours 24 minutes | Carrier |
| 17 May 2026 | 12 hours 22 minutes | Carrier |
| 30 June 2026 | 9 hours 43 minutes | Carrier |
| 29 July 2026 | 3 hours 12 minutes | Carrier |
| 22 July 2026 | 2 hours 12 minutes | Carrier |
Delay causes
Why DL 407 runs late
Carrier accounts for 70% of the 5,268 delay minutes carriers reported here, and the remaining four split what is left.
- 70%Carrier
- 23%Late-arriving aircraft
- 7%National Airspace System
The largest share of delay minutes, 70%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 3,705 of the 5,268 delay minutes reported here. The split is drawn from 5,268 delay minutes reported on DL 407.
Cancellations sit at 1.69% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
7.2% 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 a little over an hour, which a normal layover absorbs.
At 1,979 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.
The same number turns up on one other city pair in the data, including STT to BOS (61), but none flew often enough under DL 407 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to LAX to DTW only.
One caution: this is a thin sample. 295 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 407
For a booking, DL 407 is one of the weaker ways to fly LAX to DTW: 5 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.
Related
Where to go next
- LAX to DTW, every carrier and departure
- DTW to LAX, the return direction
- Delta Air Lines 802 on the same route75.3%
- Delta Air Lines 494 on the same route89.8%
- Delta Air Lines 708 on the same route81.8%
- Los Angeles International (LAX) delay statistics
- Detroit Metropolitan Wayne County (DTW) 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.