ON TIMEBOARD
American Airlines / ORD → GEG

AA 677 on time

American Airlines 677: Chicago to Spokane at 10:30 a.m.; Spokane to Chicago at 12:25 p.m. (past 12 months). Figures below the title are for ORD → GEG, its busiest leg

On time
61%
196 flights · likely 54–68%
Cancelled
1.5%
of scheduled flights
Typical arrival
+3 min
median vs schedule
When late
+79 min
average delay
Similar flights
68%
AA, same route & hour

About 1 in 3 AA 677 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (39%); 1.5% were cancelled. The typical flight landed 3 minutes late.

AA 677: ORD → GEG

Scheduled to leave Chicago at 10:30 a.m. local time. Over the past year it arrived on time 61% of the time (196 flights), worse than other AA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Jun 2025: 96% on time (26 flights)96JunJul 2025: 74% on time (31 flights)74JulAug 2025: 52% on time (31 flights)52AugSep 2025: 85% on time (27 flights)85SepOct 2025: 71% on time (31 flights)71OctNov 2025: 62% on time (29 flights)62NovDec 2025: 61% on time (31 flights)61DecJan 2026: too few flights (5 flights)JanFeb 2026: too few flights (14 flights)FebMar 2026: 26% on time (27 flights)26MarApr 2026: too few flights (5 flights)AprAug 2026: 78% on time (27 flights)78Aug

By day of week

DayFlightsOn time
Monday3161%
Tuesday2861%
Wednesday2854%
Thursday2871%
Friday3057%
Saturday2181%
Sunday3050%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 23%Air traffic & airport (NAS) 20%Severe weather 1%Security 1%

All flights ORD → GEG · Connecting off AA 677? Check the risk

AA 677: GEG → ORD

Scheduled to leave Spokane at 12:25 p.m. local time. Over the past year it arrived on time 55% of the time (193 flights), worse than other AA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Jun 2025: 77% on time (26 flights)77JunJul 2025: 45% on time (31 flights)45JulAug 2025: 35% on time (31 flights)35AugSep 2025: 67% on time (27 flights)67SepOct 2025: 52% on time (31 flights)52OctNov 2025: 55% on time (29 flights)55NovDec 2025: 66% on time (29 flights)66DecJan 2026: too few flights (4 flights)JanFeb 2026: too few flights (14 flights)FebMar 2026: 41% on time (27 flights)41MarApr 2026: too few flights (5 flights)AprAug 2026: 59% on time (27 flights)59Aug

By day of week

DayFlightsOn time
Monday3053%
Tuesday2861%
Wednesday2759%
Thursday2759%
Friday3047%
Saturday2167%
Sunday3043%

Why it was late

Late inbound plane 62%Airline (crew, maintenance, ops) 23%Air traffic & airport (NAS) 9%Severe weather 6%

All flights GEG → ORD · Connecting off AA 677? Check the risk

Questions

How often is AA 677 from ORD to GEG late?

American Airlines 677 from Chicago, IL to Spokane, WA arrived 15 or more minutes late, was diverted or was cancelled on 39% of 196 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.

How often is AA 677 from GEG to ORD late?

American Airlines 677 from Spokane, WA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 45% of 193 scheduled flights between September 2025 and August 2026. 2.1% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.