Central Wyoming Regional Airport (RIW) delays & on-time performance
Riverton/Lander, Wyoming · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RIW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
26 min
148 min when late
Departed on time
85%
avg taxi-out 18 min
Figures cover 729 departures from RIW; on-time is measured at arrival. Arrivals into RIW were on time 82% of the time.
Key facts
- Flights departing Central Wyoming Regional Airport (RIW) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 10% arrived an hour or more late.
- Departures scheduled around 5am did best (86% on time); around 2pm did worst (80%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (58%).
Most delayed routes from RIW
Lowest on-time arrival rates among regularly flown routes.
- DEN · Denver83%728 flts
Most reliable routes from RIW
Highest on-time arrival rates among regularly flown routes.
- DEN · Denver83%728 flts
Best airline at RIW
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 83% | 0.3% | 26 min | 2 | 729 |
Best time to fly out of RIW
On-time arrival rate by scheduled departure hour (local time).
- 5am86%363 flts
- 2pm80%364 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)58%
- Late-arriving aircraft23%
- Air traffic control & airport congestion10%
- Extreme weather9%
- 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.