ON TIMEBOARD

GEG → ORD on time

Spokane (Spokane, WA) to Chicago O'Hare (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
64%
arrived < 15 min late
Cancelled
1.9%
696 flights
Typical arrival
+3 min
median vs schedule
When late
+75 min
average delay
Flights / day
2
2 airlines

64% of flights from Spokane to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. The 11 a.m. departures ran on time 64% of the time; the 1 p.m. ones 63%. Most reliable airline: United Airlines (67%). 14% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for GEG → ORD: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 54 three hours or more; 1.9% were cancelled outright.

Share of all 696 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines35162%1.4%0 min16.0%+94 minAmerican Airlines
United Airlines34567%2.3%+3 min5.8%+52 minSkyWest 99%, United Airlines 1%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at GEG). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (42 flights)6a7 a.m. departures: too few flights (94 flights)7a8 a.m. departures: too few flights (1 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: 64% on time (231 flights)6411anoon departures: too few flights (60 flights)12p1 p.m. departures: 63% on time (155 flights)631p2 p.m. departures: too few flights (98 flights)2p
GEG → ORD, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAmerican AirlinesUnited Airlines
11 a.m.—64%
1 p.m.63%—

By month

Each calendar month pooled over 2023–2026. Best: June (74%). Worst: July (60%).

40%70%100%Jan: too few flights (53 flights)JanFeb: too few flights (42 flights)FebMar: too few flights (58 flights)MarApr: too few flights (59 flights)AprMay: too few flights (91 flights)MayJun: 74% on time (176 flights)74JunJul: 60% on time (184 flights)60JulAug: 62% on time (167 flights)62AugSep: too few flights (93 flights)SepOct: too few flights (80 flights)OctNov: too few flights (59 flights)NovDec: too few flights (72 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday10360%1.9%
Tuesday10271%2.9%
Wednesday93——
Thursday97——
Friday10454%1.9%
Saturday94——
Sunday10364%1.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 39%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 13%Severe weather 12%

Cancellations: weather 10 · air traffic/airport 2 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 562311:09 a.m.17664%2.3%+7 minSkyWest
AA 67712:25 p.m.19355%2.1%+7 minAmerican Airlines
AA 8141:22 p.m.12066%0.8%−4 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Sep 20, 2025333%0
Sep 12, 2025333%0
Dec 21, 2025333%0
Sep 19, 2025333%0
Dec 22, 2025333%0

Questions

How often are flights from GEG to ORD on time?

64% of 696 scheduled flights from Spokane, WA to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 1.9% were cancelled.

What is the best time of day to fly GEG to ORD?

Flights scheduled to leave at 11 a.m. were the most reliable (64% on time). The 1 p.m. departures were the least (63%).

Which airline is most on time from GEG to ORD?

United Airlines: 67% of its 345 flights on the route arrived on time. American Airlines: 62%.

What month has the most delays from GEG to ORD?

July (60% on time). The best month is June (74%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.