Flight OddsG4574 GRR → BOS
Allegiant Air · Grand Rapids, MI to Boston, MA · 11 flights observed, 2025-11-23 to 2025-12-30 · 740 mi
G4574 covers more than one route in the data window — the stats below are for GRR → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-8 min
90th percentile
+18 min
Cancellation rate
0%
How often is G4574 on time?
Across 11 flights on GRR → BOS from 2025-11-23 to 2025-12-30, G4574 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +18 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 | 9 | 82% |
| 16-30 min | 2 | 18% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 3 | 100% | -15 min |
| 2025-12 | 8 | 75% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 3 | 100% |
| Wed | No data | — |
| Thu | 3 | 100% |
| Fri | No data | — |
| Sat | 1 | 100% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…