Flight number record
DL 1466
Delta Air Lines · Salt Lake City to Spokane
- Route
- SLC → GEG
- Departs
- 22:59
- Flights
- 255
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 1466, check with Delta Air Lines.
DL 1466 lands a B+, 3 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by close to two hours on average. That rests on 255 flights, with a median arrival 9 minutes early.
Key figures
On time
80.6%
Arrivals under 15 minutes late, of 253 completed flights
Avg delay
105 min
Across delayed arrivals only, not all flights
Cancelled
0.39%
National rate is 1.89%
1 hour+ late
5.5%
National rate is 8.3%
These figures cover 255 flights between September 2025 and August 2026. The median arrival is 9 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Schedule
When DL 1466 flies
DL 1466 flies SLC to GEG without a single fixed slot. Its most common scheduled departure was 22:59, used on 49 of 255 flights, with 23:15 (49 flights) and 22:55 (44 flights) next.
- Departs 22:5949 flights19.2%
- Departs 23:1549 flights19.2%
- Departs 22:5544 flights17.3%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 22:59 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.1%, and DL 1466 runs 11 points better at 80.6%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
DL 1466 next to SLC to GEG
Every carrier on SLC to GEG combined arrived on time 85.9% of the time across 1,668 flights, so DL 1466 is 5 points behind it. Delta flew 974 flights on the same city pair under all its flight numbers, including this one, and those ran 81.1% on time. Across its whole network Delta Air Lines managed 81.1%, close to this flight's figure.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 1466thin sample | 255 | 80.6% | 105 min | 0.39% | B+ |
| All Delta Air Lines on SLC–GEG | 974 | 81.1% | 72 min | 0.62% | B+ |
| All carriers on SLC–GEG | 1,668 | 85.9% | 69 min | 0.42% | A+ |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 1466 quarter by quarter
DL 1466 did not run the same all year. Its best quarter was Jan–Mar 2026 at 85.2% on time and its weakest Jul–Sep 2026 at 72.6%, a swing of 13 points on roughly 85 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Oct–Dec 202512 flights—
- Jan–Mar 202690 flights85.2%
- Apr–Jun 202691 flights82.4%
- Jul–Sep 202662 flights72.6%
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, DL 1466 did best on Saturday at 89.2% on time and worst on Thursday at 69.4%. Each day rests on about 36 flights, so a gap of 20 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late DL 1466 runs when it is late
DL 1466 often beats the schedule: 87 of 253 completed flights, 34%, arrived 15 minutes or more early. The 49 late arrivals split 19 under half an hour, 16 between 30 and 60 minutes, and 14 an hour or more.
- 15+ min early87 flights34.4%
- Within 15 min117 flights46.2%
- 15–29 min late19 flights7.5%
- 30–59 min late16 flights6.3%
- 1–2 hours late6 flights2.4%
- 2+ hours late8 flights3.2%
Scale runs 0% to 100%.
Share of 253 completed flights by arrival against schedule.
8 of 44 late departures made up the time and arrived on time, 18% of them. In the other direction, 13 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at GEG.
The worst days
Worst days for DL 1466
The latest arrival of the period was on 25 January 2026, 12 hours 59 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on four of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 25 January 2026 | 12 hours 59 minutes | Carrier |
| 11 June 2026 | 10 hours 1 minute | Carrier |
| 29 January 2026 | 8 hours 26 minutes | Carrier |
| 12 July 2026 | 8 hours 7 minutes | Carrier |
| 1 August 2026 | 8 hours 6 minutes | National Airspace System |
Delay causes
Why DL 1466 runs late
Carrier accounts for 73% of the 5,130 delay minutes carriers reported here, and the remaining four split what is left.
- 73%Carrier
- 16%National Airspace System
- 8%Extreme weather
- 3%Late-arriving aircraft
The largest share of delay minutes, 73%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 3,721 of the 5,130 delay minutes reported here. The split is drawn from 5,130 delay minutes reported on DL 1466.
Cancellations are rare at 0.39%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
5.5% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last close to two hours, which a normal layover absorbs.
The 546 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The same number turns up on two other city pairs in the data, including SLC to JAC (90) and JAC to SLC (90), but none flew often enough under DL 1466 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to SLC to GEG only.
One caution: this is a thin sample. 255 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking DL 1466
For a booking, DL 1466 is one of the weaker ways to fly SLC to GEG: 5 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.
Related
Where to go next
- SLC to GEG, every carrier and departure
- GEG to SLC, the return direction
- Delta Air Lines 1452 on the same route81.8%
- Salt Lake City International (SLC) delay statistics
- Delta Air Lines on-time record
- Every Delta Air Lines flight number with a record
- The most and least reliable flight numbers in the US
- Worst months to fly in the US, ranked by the data
A flight number here means Delta Air Lines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.