ON TIMEBOARD

ATL → GEG on time

Atlanta Hartsfield-Jackson (Atlanta, GA) to Spokane (Spokane, WA). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
0.7%
541 flights
Typical arrival
−3 min
median vs schedule
When late
+41 min
average delay
Flights / day
1
1 airline

79% of flights from Atlanta to Spokane arrived on time over the past 12 months. That is about the typical U.S. route. The 9 a.m. departures ran on time 85% of the time; the 7 p.m. ones 68%. 5% 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 ATL → GEG: when a flight was late, it was under 45 minutes late 67% of the time. About 1 in 27 flights landed an hour or more late; 0.7% were cancelled outright.

Share of all 541 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines54179%0.7%−3 min3.7%+41 minDelta Air Lines

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 ATL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: 85% on time (324 flights)859a10 a.m. departures: too few flights (41 flights)10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: 68% on time (145 flights)687p8 p.m. departures: too few flights (31 flights)8p
ATL → GEG, 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

Last flight of the day

On ATL → GEG, each airline's last flight of the day was cancelled 0.0% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.0%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines7:43 p.m.0.0%0.0%0.0%first flight 9:55 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (91%). Worst: January (75%).

40%70%100%Jan: 75% on time (100 flights)75JanFeb: too few flights (85 flights)FebMar: 76% on time (124 flights)76MarApr: 87% on time (128 flights)87AprMay: 76% on time (131 flights)76MayJun: 79% on time (146 flights)79JunJul: 77% on time (158 flights)77JulAug: 84% on time (141 flights)84AugSep: 91% on time (128 flights)91SepOct: 90% on time (135 flights)90OctNov: 83% on time (121 flights)83NovDec: 79% on time (125 flights)79Dec

By day of week

DayFlightsOn timeCancelled
Monday79——
Tuesday71——
Wednesday69——
Thursday87——
Friday89——
Saturday56——
Sunday90——

Why flights were late

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

Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 30%Late inbound plane 22%Severe weather 5%Security 1%

Cancellations: airline 2 · weather 2

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
DL 7879:40 a.m.36583%1.1%−6 minDelta Air Lines

Questions

How often are flights from ATL to GEG on time?

79% of 541 scheduled flights from Atlanta, GA to Spokane, WA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

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

Flights scheduled to leave at 9 a.m. were the most reliable (85% on time). The 7 p.m. departures were the least (68%).

What month has the most delays from ATL to GEG?

January (75% on time). The best month is September (91%), over 2023–2026.

Is the last flight of the day from ATL to GEG more likely to be cancelled?

Not much. Each airline's last ATL–GEG flight of the day was cancelled 0.0% of the time over the past year, against 0.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

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.