Route
SEA → IDA
Seattle–Tacoma International Airport Idaho Falls Regional Airport
566 miles
Return route IDA → SEA →
How punctual is this route?
- On-time arrivals
- 78.4%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 429
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 10%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oct 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 91.7% | 12 |
| November 2025 | 86.2% | 58 |
| December 2025 | 70.4% | 55 |
| January 2026 | 81.8% | 11 |
| March 2026 | 96.3% | 29 |
| April 2026 | 85.4% | 41 |
| May 2026 | 76.9% | 39 |
| June 2026 | 76.7% | 60 |
| July 2026 | 77.4% | 62 |
| August 2026 | 66.1% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 429 | 78.4% | 0.2% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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