Flight OddsDL373 LAS → BOS
Delta Air Lines · Las Vegas, NV to Boston, MA · 224 flights observed, 2025-07-01 to 2026-06-01 · 2,381 mi
DL373 covers more than one route in the data window — the stats below are for LAS → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-9 min
90th percentile
+31 min
Cancellation rate
3%
How often is DL373 on time?
Across 224 flights on LAS → BOS from 2025-07-01 to 2026-06-01, DL373 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +31 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 182 | 83% |
| 16-30 min | 14 | 6% |
| 31-60 min | 11 | 5% |
| 61-120 min | 7 | 3% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 82% | -3 min |
| 2025-08 | 13 | 85% | +3 min |
| 2025-09 | 12 | 83% | +4 min |
| 2025-10 | 16 | 69% | +10 min |
| 2025-11 | 10 | 80% | +2 min |
| 2025-12 | 18 | 89% | -9 min |
| 2026-01 | 20 | 100% | -19 min |
| 2026-02 | 20 | 95% | -11 min |
| 2026-03 | 30 | 80% | -1 min |
| 2026-04 | 30 | 70% | +14 min |
| 2026-05 | 20 | 90% | -4 min |
| 2026-06 | 1 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 82% |
| Tue | 22 | 95% |
| Wed | 21 | 95% |
| Thu | 40 | 78% |
| Fri | 41 | 80% |
| Sat | 17 | 94% |
| Sun | 38 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…