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WanderNerd

Flight Reliability

NK 557 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 557 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

80%
Arrive within 15 minutes
17 min
Average arrival delay
2.4%
Cancelled
7 min early
Median arrival delay

Based on 41 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(10 flights)
  • Tue(2 flights)
  • Wed(7 flights)
  • Thu(4 flights)
  • Fri(9 flights)
  • Sat(4 flights)
  • Sun(4 flights)
On-time by departure window
  • 9 AM–12 PM87%(15 flights)
  • 12–3 PM88%(16 flights)
  • 3–6 PM(9 flights)
Departures on time
65%
Diverted
0%
Flights flown
40
Months covered
3

Based on 41 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.