Flight Reliability
AA 337 · American Airlines
Grand Rapids → Chicago (GRR–ORD)91% of its flights flew this route. The rest (PBI–DFW, DFW–DCA) are included in these numbers.
61
A Little Dicey
WanderNerd Reliability Score
- 95%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 10.6%
- Cancelled
- 23 min early
- Median arrival delay
Based on 47 historical flights. Data through May 2026.
What the data says
Well ahead of the GRR–ORD route.
AA 337 arrived on time 95% of the time, versus 68% across the GRR–ORD route.
Well ahead of the American Airlines network.
AA 337 arrived on time 95% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon—(6 flights)
- Tue—(5 flights)
- Wed—(6 flights)
- Thu—(6 flights)
- Fri—(6 flights)
- Sat—(8 flights)
- Sun—(5 flights)
- 3–6 AM95%(38 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM—(1 flights)
- 3–6 PM—(2 flights)
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 42
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 47 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.