Flight Reliability
NK 2543 · Spirit Airlines
Newark → Chicago (EWR–ORD)86% of its flights flew this route. The rest (ATL–SJU) are included in these numbers.
94
Nerd Approved
WanderNerd Reliability Score
- 95%
- Arrive within 15 minutes
- 16 min early
- Average arrival delay
- 2.3%
- Cancelled
- 20 min early
- Median arrival delay
Based on 43 historical flights. Data through May 2026.
What the data says
Well ahead of the EWR–ORD route.
NK 2543 arrived on time 95% of the time, versus 72% across the EWR–ORD route.
Well ahead of the Spirit Airlines network.
NK 2543 arrived on time 95% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(5 flights)
- Fri—(8 flights)
- Sat—(4 flights)
- Sun—(6 flights)
- 3–6 AM97%(36 flights)
- 9 AM–12 PM—(6 flights)
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 42
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 43 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.