Flight OddsG4537 GRR → AZA
Allegiant Air · Grand Rapids, MI to Phoenix, AZ · 13 flights observed, 2025-11-22 to 2026-06-15 · 1,561 mi
G4537 covers more than one route in the data window — the stats below are for GRR → AZA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+9 min
90th percentile
+38 min
Cancellation rate
0%
How often is G4537 on time?
Across 13 flights on GRR → AZA from 2025-11-22 to 2026-06-15, G4537 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +38 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 | 7 | 54% |
| 16-30 min | 4 | 31% |
| 31-60 min | 1 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 2 | 0% | +28 min |
| 2025-12 | 3 | 33% | +63 min |
| 2026-01 | 6 | 67% | -2 min |
| 2026-02 | 1 | 100% | -9 min |
| 2026-06 | 1 | 100% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 2 | 50% |
| Fri | No data | — |
| Sat | 7 | 71% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…