Flight OddsDL4039 SEA → BZN
Delta Air Lines · Seattle, WA to Bozeman, MT · 193 flights observed, 2025-07-01 to 2026-06-30 · 543 mi
DL4039 covers more than one route in the data window — the stats below are for SEA → BZN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-11 min
90th percentile
+25 min
Cancellation rate
1%
How often is DL4039 on time?
Across 193 flights on SEA → BZN from 2025-07-01 to 2026-06-30, DL4039 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +25 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 | 164 | 85% |
| 16-30 min | 11 | 6% |
| 31-60 min | 10 | 5% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 5 | 80% | +12 min |
| 2025-12 | 9 | 100% | -19 min |
| 2026-01 | 30 | 93% | -9 min |
| 2026-02 | 28 | 86% | -5 min |
| 2026-03 | 30 | 87% | -4 min |
| 2026-04 | 30 | 90% | -9 min |
| 2026-05 | 30 | 63% | +18 min |
| 2026-06 | 30 | 90% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 89% |
| Tue | 29 | 86% |
| Wed | 25 | 92% |
| Thu | 26 | 81% |
| Fri | 26 | 85% |
| Sat | 29 | 97% |
| Sun | 29 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…