Flight profile · Delta Air Lines
DL428
Los Angeles (LAX) to Lihue, Kauai (LIH) · scheduled 2:15 PM – 5:18 PM
How DL428 performs
886 operations, 2023-12-07 to 2026-06-30.
DL428 arrived on time 84.5% of the time, against 86.0% for all LAX → LIH flights — this specific departure is 1.5 percentage points worse than the route as a whole. Against Delta Air Lines’s own flights on this route it is 1.0 points worse.
Source: US DOT Bureau of Transportation Statistics · 886 operations between 2023-12-07 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL428 | 84.5% | 0.79% | -12 min | 6.4% | 886 |
| Delta Air Lines on LAX → LIH | 85.6% | 0.64% | -13 min | 5.7% | 1,095 |
| All LAX → LIH flights | 86.0% | 0.35% | -10 min | 3.6% | 4,508 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-12-07 to 2026-06-30
By day of week
Does DL428 run worse on particular days?
Thursday is historically the most reliable day and Tuesday the least, a gap of 2.2 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · 2023-12-07 to 2026-06-30 · Days with fewer than 120 operations are not scored.
Other routes DL428 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 |
|---|---|---|---|
| PBI→DTW West Palm Beach to Detroit | 2024-02-04 – 2024-02-05 | 2 | — |
| SEA→BOS Seattle to Boston | 2023-09-05 – 2023-12-06 | 92 | 94.6% |
| SEA→SFO Seattle to San Francisco | 2023-11-23 – 2023-11-23 | 1 | — |
| SFO→SEA San Francisco to Seattle | 2023-11-23 – 2023-11-23 | 1 | — |
| SAN→BOS San Diego to Boston | 2023-07-01 – 2023-09-02 | 10 | — |
| SJC→ATL San Jose to Atlanta | 2023-07-10 – 2023-09-01 | 27 | — |
Because the same number has served different journeys, the statistics above describe only the route DL428 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
37 min late
against a median of 12 min early
Percentiles over 886 operations. Cancelled and diverted flights have no arrival time and are counted separately rather than as very late arrivals.
Why DL428 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding, fuelling — within the carrier’s control
the inbound aircraft was late, so this flight started late
airspace and airport capacity, including weather-driven flow control
Share of the delay minutes US DOT attributed to each cause for DL428 on LAX → LIH. A single late flight can carry more than one cause, and only delays of fifteen minutes or more are attributed at all.
Other departures on LAX → LIH
Same airports, same journey — and not the same odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| UA1295 | United Airlines | 90.8% | 11 min early | 837 |
| HA63 | Hawaiian Airlines | 87.5% | 7 min early | 848 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 886 records of DL428 operating LAX → LIH, 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.
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