Route on-time record
BOI to ATL: most on-time flights and the best time to fly
Boise (Boise Air Terminal/Gowen Field) to Atlanta (Hartsfield Jackson Atlanta International Airport). 549 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 1.8% were cancelled. The most reliable flight number was Delta 874 at 1:40 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BOI → ATL
Boise to Atlanta: 549 nonstop flights a year
On time (12 months)
81%
Cancelled
1.8%
avg delay 16 min
Best time to leave
Noon to 3 PM
87% on time vs 70% after 9 PM
Most reliable airline
Delta
80% chance on time
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 · Delta 874
1:40 PM → 7:39 PM4h 09m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.5%
- Avg arrival delay
- 10 min
- Arrived on time 87% of the time (352 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Noon to 3 PM: 87% on time; After 9 PM: 70%).
Strong track record · 352 flights
Find Delta 874 fares Opens this date on Aviasales#2 · Delta 770
11:39 PM → 5:46 AM4h 07m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (After 9 PM: 70% on time; Noon to 3 PM: 87%).
- 91% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 20 flights
Find Delta 770 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines80%
549 flights · 81% on time as flown · 1.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Noon to 3 PM87%
365 flights · avg delay 10 min
- After 9 PM70%
184 flights · avg delay 27 min
Best day: Thursday (85%). Worst: Sunday (77%).
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)37%
- Late-arriving aircraft37%
- Air traffic control and airport volume25%
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
BOI to ATL questions
- What time of day is best to fly BOI to ATL?
- Noon to 3 PM: 87% of flights arrived on time, against 70% for departures after 9 PM.
- Which airline is most on time from BOI to ATL?
- Delta, with a season-adjusted 80% chance of operating and arriving on time over 549 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 BOI to ATL?
- July (65% on time); the best was February (89%), 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 BOI
- ATL to BOI (return)
- BOI to SEA 86%
- BOI to DEN 81%
- BOI to PHX 84%
- BOI to SLC 92%
- BOI to SFO 75%
- BOI to LAS 82%
- BOI to LAX 93%
- BOI to PDX 91%
- BOI to ORD 76%
- BOI to SAN 83%
- BOI to SMF 84%
- BOI to DFW 82%
Most on-time flights from BOI on every route →
Live status: FAA delays and ground stops
