Flight OddsG4638 BIL → AZA
Allegiant Air · Billings, MT to Phoenix, AZ · 35 flights observed, 2025-11-19 to 2026-02-09 · 878 mi
G4638 covers more than one route in the data window — the stats below are for BIL → AZA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-12 min
90th percentile
+25 min
Cancellation rate
0%
How often is G4638 on time?
Across 35 flights on BIL → AZA from 2025-11-19 to 2026-02-09, G4638 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +25 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 | 28 | 80% |
| 16-30 min | 4 | 11% |
| 31-60 min | 3 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 7 | 57% | +4 min |
| 2025-12 | 11 | 73% | -5 min |
| 2026-01 | 13 | 92% | -14 min |
| 2026-02 | 4 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 3 | 67% |
| Wed | 10 | 100% |
| Thu | 3 | 100% |
| Fri | 9 | 78% |
| Sat | 1 | 100% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…