Route
IDA → SEA
Idaho Falls Regional Airport Seattle–Tacoma International Airport
566 miles
Return route SEA → IDA →
How punctual is this route?
- On-time arrivals
- 83.1%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 428
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 36%
- Air traffic control & airport 10%
- Extreme weather 6%
- 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 | 100.0% | 11 |
| November 2025 | 82.8% | 58 |
| December 2025 | 74.5% | 55 |
| January 2026 | 83.3% | 12 |
| March 2026 | 74.1% | 28 |
| April 2026 | 83.3% | 42 |
| May 2026 | 86.8% | 38 |
| June 2026 | 90.0% | 60 |
| July 2026 | 87.1% | 62 |
| August 2026 | 79.0% | 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 | 428 | 83.1% | 0.2% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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