Flight OddsBOI → SEA Delta Air Lines
Delta Air Lines · Boise, ID to Seattle, WA · 2,364 flights, 2025-07-01 to 2026-06-30 · aggregated across 16 flight numbers
On-time arrival
88%
Median delay
-13 min
90th percentile
+21 min
Cancellation rate
0%
How on-time is Delta Air Lines from BOI to SEA?
Across every Delta Air Lines flight number on BOI → SEA (2,364 flights, 2025-07-01 to 2026-06-30), 88% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +21 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,071 | 88% |
| 16-30 min | 111 | 5% |
| 31-60 min | 99 | 4% |
| 61-120 min | 49 | 2% |
| 2+ hrs | 26 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 209 | 87% | -4 min |
| 2025-08 | 201 | 88% | -5 min |
| 2025-09 | 192 | 86% | -7 min |
| 2025-10 | 201 | 90% | -10 min |
| 2025-11 | 185 | 91% | -6 min |
| 2025-12 | 176 | 89% | -5 min |
| 2026-01 | 182 | 85% | -3 min |
| 2026-02 | 182 | 95% | -16 min |
| 2026-03 | 207 | 87% | +1 min |
| 2026-04 | 206 | 90% | -4 min |
| 2026-05 | 211 | 84% | -2 min |
| 2026-06 | 204 | 85% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 352 | 89% |
| Tue | 337 | 92% |
| Wed | 327 | 86% |
| Thu | 344 | 85% |
| Fri | 343 | 88% |
| Sat | 306 | 91% |
| Sun | 347 | 85% |
DL flight numbers on BOI → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…