Flight Reliability
NK 457 · Spirit Airlines
Newark → Austin (EWR–AUS)81% of its flights flew this route. The rest (FLL–ACY) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 9.2%
- Cancelled
- 7 min early
- Median arrival delay
Based on 120 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
NK 457 departing between 6–9 AM arrived on time 100% of the time, versus 39% between 9 PM–12 AM.
Sunday scaries are real for this one.
NK 457 arrived on time 92% of the time on Tuesdays and just 53% on Sundays. That gap is worth planning around.
A bit behind the EWR–AUS route.
NK 457 arrived on time 73% of the time, versus 79% across the EWR–AUS route.
Keep a backup plan handy.
NK 457 was cancelled 9.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon69%(16 flights)
- Tue92%(12 flights)
- Wed82%(11 flights)
- Thu89%(18 flights)
- Fri68%(19 flights)
- Sat67%(18 flights)
- Sun53%(15 flights)
- 6–9 AM100%(23 flights)
- 6–9 PM79%(58 flights)
- 9 PM–12 AM39%(28 flights)
Sep 100% → Mar 50% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 100% | 20 |
| January 2026 | 74% | 23 |
| February 2026 | 83% | 24 |
| March 2026 | 50% | 30 |
- Departures on time
- 66%
- Diverted
- 0%
- Flights flown
- 109
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 120 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.