Lewiston Nez Perce County Airport (LWS) delays & on-time performance
Lewiston, Idaho · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LWS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
91%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
9 min
95 min when late
Departed on time
92%
avg taxi-out 17 min
Figures cover 729 departures from LWS; on-time is measured at arrival. Arrivals into LWS were on time 92% of the time.
Key facts
- Flights departing Lewiston Nez Perce County Airport (LWS) arrived on time 91% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.1% were cancelled, and 4% arrived an hour or more late.
- Departures scheduled around 6am did best (98% on time); around 9am did worst (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (79%).
Most delayed routes from LWS
Lowest on-time arrival rates among regularly flown routes.
- SEA · Seattle90%364 flts
- SLC · Salt Lake City93%365 flts
Most reliable routes from LWS
Highest on-time arrival rates among regularly flown routes.
- SLC · Salt Lake City93%365 flts
- SEA · Seattle90%364 flts
Best airline at LWS
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 91% | 0.1% | 9 min | 2 | 729 |
Best time to fly out of LWS
On-time arrival rate by scheduled departure hour (local time).
- 6am98%60 flts
- 7am89%218 flts
- 8am97%31 flts
- 9am82%55 flts
- 12pm92%266 flts
- 2pm97%89 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)79%
- Extreme weather15%
- Air traffic control & airport congestion5%
- Late-arriving aircraft0%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.