Route on-time record
GEG to PDX: most on-time flights and the best time to fly
Spokane (Spokane International Airport) to Portland (Portland International Airport). 929 nonstop flights in Jun 2025 to May 2026, 88% arrived within 15 minutes and 1.0% were cancelled. The most reliable flight number was Alaska 710 at 5:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
GEG → PDX
Spokane to Portland: 929 nonstop flights a year
On time (12 months)
88%
Cancelled
1.0%
avg delay 7 min
Best time to leave
Before 9 AM
96% on time vs 84% noon to 3 PM
Most reliable airline
Alaska
89% chance on time
Lowest nonstop fare seen in the next two months: $242 (Alaska 661 on 2026-10-29). 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 · Alaska 710
5:00 AM → 6:15 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
96%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.6%
- Avg arrival delay
- 3 min
- Arrived on time 97% of the time (157 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; Noon to 3 PM: 84%).
Moderate track record · 157 flights
Find Alaska 710 fares Opens this date on Aviasales#2 · SkyWest 3002 · sold as United Express, Delta Connection, American Eagle or Alaska
3:32 PM → 4:50 PM1h 18m nonstop
Local times, typical schedule. Last flown 2026-05-12.
90%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 94% of the time (86 flights, Jun 2025 to May 2026).
- Never cancelled in 86 scheduled flights.
Moderate track record · 86 flights
Find 3:32 PM flight fares Opens this date on Aviasales#3 · Alaska 251
12:40 PM → 1:53 PM1h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 86%
- Cancelled
- 2.5%
- Avg arrival delay
- 7 min
- Arrived on time 86% of the time (153 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 84% on time; Before 9 AM: 96%).
Moderate track record · 153 flights
Find Alaska 251 fares Opens this date on Aviasales#4 · SkyWest 3217 · sold as United Express, Delta Connection, American Eagle or Alaska
3:00 PM → 4:23 PM1h 23m nonstop
Local times, typical schedule. Last flown 2026-03-17.
81%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 79% of the time (58 flights, Jun 2025 to May 2026).
- Never cancelled in 58 scheduled flights.
- 77% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (58 flights), so its score leans on the airline's record at this hour.
Limited track record · 58 flights
Find 3:00 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Alaska Airlines89%
526 flights · 90% on time as flown · 1.3% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)85%
403 flights · 85% on time as flown · 0.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM96%
243 flights · avg delay 5 min
- Noon to 3 PM84%
295 flights · avg delay 7 min
- 3 to 6 PM86%
334 flights · avg delay 9 min
- 6 to 9 PM86%
37 flights · avg delay 6 min
Best day: Wednesday (91%). Worst: Thursday (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
- Late-arriving aircraft51%
- Airline (crew, maintenance, boarding)28%
- Air traffic control and airport volume16%
- Severe weather4%
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 PDX questions
- What time of day is best to fly GEG to PDX?
- Before 9 AM: 96% of flights arrived on time, against 84% 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 PDX?
- Alaska, with a season-adjusted 89% chance of operating and arriving on time over 526 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 PDX?
- December (83% on time); the best was April (92%), 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
- PDX to GEG (return)
- GEG to SEA 85%
- GEG to DEN 83%
- GEG to SLC 91%
- GEG to PHX 85%
- 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