Flight OddsDelta Air Lines · Great Falls, MT to Salt Lake City, UT · 172 flights observed, 2025-07-01 to 2025-12-19 · 463 mi
DL3633 covers more than one route in the data window — the stats below are for GTF → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL3633 on time?
Across 172 flights on GTF → SLC from 2025-07-01 to 2025-12-19, DL3633 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived -1 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 165 | 96% |
| 16-30 min | 4 | 2% |
| 31-60 min | 1 | 1% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 100% | -15 min |
| 2025-08 | 31 | 90% | +4 min |
| 2025-09 | 30 | 100% | -18 min |
| 2025-10 | 31 | 94% | -9 min |
| 2025-11 | 30 | 93% | -11 min |
| 2025-12 | 19 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 96% |
| Tue | 25 | 96% |
| Wed | 25 | 100% |
| Thu | 25 | 100% |
| Fri | 25 | 92% |
| Sat | 24 | 100% |
| Sun | 24 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…