Route on-time record
GEG to PHX: most on-time flights and the best time to fly
Spokane (Spokane International Airport) to Phoenix (Phoenix Sky Harbor International Airport). 1,216 nonstop flights in Jun 2025 to May 2026, 85% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was Southwest 1272 at 7:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
GEG → PHX
Spokane to Phoenix: 1,216 nonstop flights a year
On time (12 months)
85%
Cancelled
0.4%
avg delay 13 min
Best time to leave
Before 9 AM
92% on time vs 77% noon to 3 PM
Most reliable airline
Southwest
88% chance on time
Lowest nonstop fare seen in the next two months: $323 (American 540 on 2026-10-22). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 1272
7:00 AM → 9:35 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-27.
94%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (16 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 77%).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 1272 fares Opens this date on Aviasales#2 · Southwest 2229
5:50 AM → 8:25 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-30.
93%
chance on time
- On time (history)
- 100%
- Cancelled
- 6.5%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (29 flights, Jun 2025 to May 2026).
- Cancelled 6.5% of the time (2 of 31).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 77%).
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Southwest 2229 fares Opens this date on Aviasales#3 · Southwest 2811
6:45 AM → 9:20 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
93%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 94% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 77%).
- Short track record (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find Southwest 2811 fares Opens this date on Aviasales#4 · Southwest 3639
12:15 PM → 2:50 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 77% on time; Before 9 AM: 92%).
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3639 fares Opens this date on Aviasales#5 · American 1789
6:30 AM → 9:13 AM2h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 2697; its record covers all of them.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 16 min
- Arrived on time 88% of the time (260 flights, Jun 2025 to May 2026).
- Never cancelled in 260 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 77%).
Strong track record · 260 flights
Find American 1789 fares Opens this date on Aviasales#6 · Southwest 920
3:10 PM → 5:40 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-05.
85%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 83% of the time (12 flights, Jun 2025 to May 2026).
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Southwest 920 fares Opens this date on Aviasales#7 · Southwest 3002
3:20 PM → 5:50 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
82%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 73% of the time (15 flights, Jun 2025 to May 2026).
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 3002 fares Opens this date on Aviasales#8 · American 1888
3:00 PM → 5:40 PM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find American 1888 fares Opens this date on Aviasales#9 · American 2117
3:15 PM → 5:53 PM2h 38m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 2871; its record covers all of them.
80%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 79% of the time (143 flights, Jun 2025 to May 2026).
- Never cancelled in 143 scheduled flights.
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 143 flights
Find American 2117 fares Opens this date on Aviasales#10 · Southwest 696
5:35 PM → 8:10 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
79%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- 91% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 696 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines88%
592 flights · 88% on time as flown · 0.5% cancel
- American Airlines84%
569 flights · 84% on time as flown · 0.2% cancel
- Frontier Airlines77%
45 flights · 64% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
583 flights · avg delay 9 min
- 9 AM to noon90%
63 flights · avg delay 3 min
- Noon to 3 PM77%
167 flights · avg delay 16 min
- 3 to 6 PM79%
388 flights · avg delay 18 min
Best day: Saturday (88%). Worst: Monday (83%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)39%
- Late-arriving aircraft37%
- Severe weather14%
- Air traffic control and airport volume10%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
GEG to PHX questions
- What time of day is best to fly GEG to PHX?
- Before 9 AM: 92% of flights arrived on time, against 77% for departures noon to 3 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from GEG to PHX?
- Southwest, with a season-adjusted 88% chance of operating and arriving on time over 592 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on GEG to PHX?
- December (79% on time); the best was September (91%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from GEG
- PHX to GEG (return)
- GEG to SEA 85%
- GEG to DEN 83%
- GEG to SLC 91%
- GEG to PDX 88%
- GEG to LAS 85%
- GEG to SFO 77%
- GEG to LAX 91%
- GEG to MSP 91%
- GEG to ORD 67%
- GEG to SMF 87%
- GEG to DFW 79%
- GEG to ATL 86%
Live status: FAA delays and ground stops