Flight profile · Delta Air Lines
DL373
Las Vegas (LAS) to Boston (BOS) · scheduled 9:45 PM – 6:00 AM
How DL373 performs
496 operations, 2024-05-09 to 2026-06-01.
DL373 arrived on time 81.1% of the time, against 76.7% for all LAS → BOS flights — this specific departure is 4.5 percentage points better than the route as a whole. Against Delta Air Lines’s own flights on this route it is 2.2 points better.
Source: US DOT Bureau of Transportation Statistics · 496 operations between 2024-05-09 to 2026-06-01
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| DL373 | 81.1% | 1.61% | -8 min | 6.1% | 496 |
| Delta Air Lines on LAS → BOS | 78.9% | 0.82% | -6 min | 7.9% | 1,823 |
| All LAS → BOS flights | 76.7% | 0.99% | -8 min | 9.8% | 5,075 |
Source: FlyerIntel analysis of US DOT BTS data · 2024-05-09 to 2026-06-01
Other routes DL373 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 |
|---|---|---|---|
| BOS→LAS Boston to Las Vegas | 2024-09-09 – 2025-12-15 | 175 | 73.0% |
| LAS→SEA Las Vegas to Seattle | 2025-10-28 – 2025-11-08 | 12 | — |
| CHA→ATL Chattanooga to Atlanta | 2025-01-21 – 2025-03-05 | 14 | — |
| ATL→TUL Atlanta to Tulsa | 2024-05-11 – 2024-06-01 | 5 | — |
| SAN→ATL San Diego to Atlanta | 2024-03-10 – 2024-05-06 | 46 | — |
| ATL→SAN Atlanta to San Diego | 2024-03-10 – 2024-05-06 | 34 | — |
| BOS→DFW Boston to Dallas–Fort Worth | 2024-03-16 – 2024-04-06 | 4 | — |
| LAS→DTW Las Vegas to Detroit | 2024-01-08 – 2024-03-09 | 62 | — |
| DFW→ATL Dallas–Fort Worth to Atlanta | 2023-12-16 – 2024-01-07 | 23 | — |
| ATL→DFW Atlanta to Dallas–Fort Worth | 2023-12-16 – 2024-01-07 | 9 | — |
| SAN→MSP San Diego to Minneapolis | 2023-12-07 – 2023-12-15 | 9 | — |
| ATL→SFO Atlanta to San Francisco | 2023-11-05 – 2023-12-06 | 32 | — |
| SFO→ATL San Francisco to Atlanta | 2023-11-06 – 2023-11-19 | 8 | — |
| LGA→MCO New York to Orlando | 2023-09-05 – 2023-11-04 | 57 | — |
| MCO→LGA Orlando to New York | 2023-09-05 – 2023-10-08 | 27 | — |
| SLC→DFW Salt Lake City to Dallas–Fort Worth | 2023-07-15 – 2023-09-02 | 8 | — |
| MSP→DTW Minneapolis to Detroit | 2023-07-05 – 2023-09-01 | 39 | — |
| ATL→SYR Atlanta to Syracuse | 2023-07-02 – 2023-07-04 | 3 | — |
| SYR→ATL Syracuse to Atlanta | 2023-07-02 – 2023-07-04 | 3 | — |
Because the same number has served different journeys, the statistics above describe only the route DL373 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 496 records of DL373 operating LAS → BOS, 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.