DL3750 BOI → SEA
Delta Air Lines · Boise, ID to Seattle, WA · 183 flights observed, 2025-07-01 to 2026-06-30 · 399 mi
DL3750 covers more than one route in the data window — the stats below are for BOI → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-12 min
90th percentile
+14 min
Cancellation rate
1%
How often is DL3750 on time?
Across 183 flights on BOI → SEA from 2025-07-01 to 2026-06-30, DL3750 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +14 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 167 | 92% |
| 16-30 min | 4 | 2% |
| 31-60 min | 5 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 6 | 83% | -21 min |
| 2026-01 | 27 | 89% | -1 min |
| 2026-02 | 28 | 93% | -17 min |
| 2026-03 | 30 | 87% | +9 min |
| 2026-04 | 30 | 93% | +26 min |
| 2026-05 | 31 | 90% | -8 min |
| 2026-06 | 30 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 96% |
| Tue | 27 | 89% |
| Wed | 26 | 81% |
| Thu | 26 | 85% |
| Fri | 25 | 96% |
| Sat | 26 | 100% |
| Sun | 26 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…