Route on-time record

ATL to PHX: most on-time flights and the best time to fly

Atlanta (Hartsfield Jackson Atlanta International Airport) to Phoenix (Phoenix Sky Harbor International Airport). 3,791 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was American 1777 at 7:15 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

ATL → PHX

Atlanta to Phoenix: 3,791 nonstop flights a year

On time (12 months)

74%

Cancelled

0.8%

avg delay 18 min

Best time to leave

Before 9 AM

85% on time vs 61% 6 to 9 PM

Most reliable airline

American

79% chance on time

Check ATL to PHX fares

Lowest nonstop fare seen in the next two months: $276 (Southwest 1331 on 2026-10-24). 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 · American 1777
7:15 AM → 8:35 AM4h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
12 min
- Arrived on time 86% of the time (208 flights, Jun 2025 to May 2026).
- Never cancelled in 208 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 61%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 208 flights
Find American 1777 fares Opens this date on Aviasales
#2 · Southwest 1763
6:00 AM → 7:10 AM4h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 3695; its record covers all of them.
87%
chance on time
On time (history)
95%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 95% of the time (41 flights, Jun 2025 to May 2026).
- Never cancelled in 41 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 61%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Limited track record · 41 flights
Find Southwest 1763 fares Opens this date on Aviasales
#3 · American 1230
7:00 AM → 8:29 AM4h 29m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
On time (history)
88%
Cancelled
1.3%
Avg arrival delay
17 min
- Arrived on time 88% of the time (154 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 61%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Moderate track record · 154 flights
Find American 1230 fares Opens this date on Aviasales
#4 · Delta 366
12:45 PM → 1:55 PM4h 07m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
On time (history)
83%
Cancelled
1.8%
Avg arrival delay
7 min
- Arrived on time 83% of the time (167 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Moderate track record · 167 flights
Find Delta 366 fares Opens this date on Aviasales
#5 · Southwest 956
9:40 AM → 10:50 AM4h 10m nonstop
Local times, typical schedule. Last flown 2026-05-29.
80%
chance on time
On time (history)
87%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 87% of the time (23 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 956 fares Opens this date on Aviasales
#6 · Southwest 3011
6:40 AM → 7:50 AM4h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
On time (history)
78%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 78% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 61%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 3011 fares Opens this date on Aviasales
#7 · Delta 348
8:10 AM → 9:22 AM4h 12m nonstop
Local times, typical schedule. Last flown 2026-05-31.
78%
chance on time
On time (history)
79%
Cancelled
1.1%
Avg arrival delay
11 min
- Arrived on time 79% of the time (361 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 61%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 361 flights
Find Delta 348 fares Opens this date on Aviasales
#8 · Delta 796
10:10 AM → 11:41 AM4h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
On time (history)
79%
Cancelled
0.9%
Avg arrival delay
15 min
- Arrived on time 79% of the time (335 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 335 flights
Find Delta 796 fares Opens this date on Aviasales
#9 · American 1805
5:59 PM → 7:16 PM4h 17m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 3327; its record covers all of them.
77%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
14 min
- Arrived on time 80% of the time (61 flights, Jun 2025 to May 2026).
- Never cancelled in 61 scheduled flights.
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 61 flights
Find American 1805 fares Opens this date on Aviasales
#10 · Delta 836
4:20 PM → 5:35 PM4h 11m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
On time (history)
70%
Cancelled
1.4%
Avg arrival delay
23 min
- Arrived on time 70% of the time (359 flights, Jun 2025 to May 2026).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 359 flights
Find Delta 836 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

American Airlines79%
614 flights · 80% on time as flown · 0.6% cancel
Delta Air Lines73%
2,312 flights · 74% on time as flown · 1.0% cancel
Southwest Airlines72%
661 flights · 72% on time as flown · 0.4% cancel
Frontier Airlines68%
204 flights · 67% on time as flown · 0.9% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM85%
916 flights · avg delay 11 min
9 AM to noon78%
627 flights · avg delay 15 min
Noon to 3 PM78%
482 flights · avg delay 15 min
3 to 6 PM71%
653 flights · avg delay 20 min
6 to 9 PM61%
732 flights · avg delay 28 min
After 9 PM70%
381 flights · avg delay 19 min

Best day: Tuesday (79%). Worst: Sunday (72%).

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)50%
Late-arriving aircraft27%
Air traffic control and airport volume16%
Severe weather7%

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

ATL to PHX questions

What time of day is best to fly ATL to PHX?: Before 9 AM: 85% of flights arrived on time, against 61% for departures 6 to 9 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 ATL to PHX?: American, with a season-adjusted 79% chance of operating and arriving on time over 614 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 ATL to PHX?: July (68% on time); the best was October (84%), 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.

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