Flight Reliability
NK 477 · Spirit Airlines
New Orleans → Chicago (MSY–ORD)
78
Usually Fine
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 2.4%
- Cancelled
- 5 min early
- Median arrival delay
Based on 41 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
NK 477 arrived on time 80% of the time on Fridays and just 60% on Mondays. That gap is worth planning around.
A bit ahead of the Spirit Airlines network.
NK 477 arrived on time 80% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon60%(10 flights)
- Tue—(0 flights)
- Wed—(2 flights)
- Thu—(9 flights)
- Fri80%(10 flights)
- Sat—(1 flights)
- Sun—(8 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM85%(33 flights)
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 40
- Months covered
- 4
Same route, other flights
Keep nerding
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.