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WanderNerd

Flight Reliability

NK 933 · Spirit Airlines

New York → Chicago (LGAORD)80% of its flights flew this route. The rest (RSW–ORD) are included in these numbers.

27
Bring Snacks
WanderNerd Reliability Score
63%
Arrive within 15 minutes
31 min
Average arrival delay
8.6%
Cancelled
6 min
Median arrival delay

Based on 140 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

NK 933 departing between 6–9 AM arrived on time 69% of the time, versus 33% between 6–9 PM.

Friday is doing you no favors.

NK 933 arrived on time 71% of the time on Saturdays and just 52% on Fridays. That gap is worth planning around.

A bit behind the LGA–ORD route.

NK 933 arrived on time 63% of the time, versus 68% across the LGA–ORD route.

Lagging the Spirit Airlines network.

NK 933 arrived on time 63% of the time, versus 74% across the Spirit Airlines network.

The breakdown

On-time by weekday
  • Mon71%(17 flights)
  • Tue56%(18 flights)
  • Wed71%(17 flights)
  • Thu64%(22 flights)
  • Fri52%(21 flights)
  • Sat71%(14 flights)
  • Sun63%(19 flights)
On-time by departure window
  • 6–9 AM69%(87 flights)
  • 12–3 PM(8 flights)
  • 6–9 PM33%(15 flights)
  • 9 PM–12 AM56%(18 flights)
On-time trend by month
64%
Apr

Dec 55% → Apr 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202555%20
January 202677%26
February 202669%26
March 202652%27
April 202664%28
Departures on time
69%
Diverted
0%
Flights flown
128
Months covered
6

Based on 140 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.