Flight Reliability
DL 3222 · Delta Air Lines
Salt Lake City → Spokane (SLC–GEG)
79
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0.5%
- Cancelled
- 3 min early
- Median arrival delay
Based on 194 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 3222 arrived on time 86% of the time on Mondays and just 68% on Sundays. That gap is worth planning around.
Lagging the SLC–GEG route.
DL 3222 arrived on time 77% of the time, versus 87% across the SLC–GEG route.
A bit behind the Delta Air Lines network.
DL 3222 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 3222 arrived on time 85% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon86%(28 flights)
- Tue68%(28 flights)
- Wed82%(28 flights)
- Thu82%(27 flights)
- Fri71%(28 flights)
- Sat85%(26 flights)
- Sun68%(28 flights)
74%
Dec
Jun 70% → Dec 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 23 |
| July 2025 | 65% | 31 |
| August 2025 | 74% | 31 |
| September 2025 | 77% | 30 |
| October 2025 | 87% | 30 |
| November 2025 | 93% | 29 |
| December 2025 | 74% | 19 |
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 193
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 194 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.