ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
PBI → ATL
West Palm Beach to Atlanta: 3,855 nonstop flights a year
On time (12 months)
82%
Cancelled
1.6%
avg delay 13 min
Best time to leave
Before 9 AM
93% on time vs 69% 6 to 9 PM
Most reliable airline
Delta
82% 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 1376
6:00 AM → 7:59 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
95%
chance on time
- On time (history)
- 97%
- Cancelled
- 1.4%
- Avg arrival delay
- 4 min
- Arrived on time 97% of the time (352 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 69%).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
Strong track record · 352 flights
Find Delta 1376 fares Opens this date on Aviasales#2 · Delta 1352
7:00 AM → 8:54 AM1h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 1.1%
- Avg arrival delay
- 5 min
- Arrived on time 93% of the time (357 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 69%).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
Strong track record · 357 flights
Find Delta 1352 fares Opens this date on Aviasales#3 · Delta 1301
8:00 AM → 10:00 AM1h 57m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.5%
- Avg arrival delay
- 8 min
- Arrived on time 91% of the time (363 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 69%).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
Strong track record · 363 flights
Find Delta 1301 fares Opens this date on Aviasales#4 · Delta 1394
9:20 AM → 11:11 AM1h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.1%
- Avg arrival delay
- 8 min
- Arrived on time 91% of the time (353 flights, Jun 2025 to May 2026).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
Strong track record · 353 flights
Find Delta 1394 fares Opens this date on Aviasales#5 · Delta 1311
11:09 AM → 1:08 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.5%
- Avg arrival delay
- 9 min
- Arrived on time 87% of the time (356 flights, Jun 2025 to May 2026).
- Departs inside PBI's trouble window: 84% of its 31 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 356 flights
Find Delta 1311 fares Opens this date on Aviasales#6 · Delta 1266
3:41 PM → 5:45 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-30.
82%
chance on time
- On time (history)
- 83%
- Cancelled
- 2.8%
- Avg arrival delay
- 7 min
- Arrived on time 83% of the time (175 flights, Jun 2025 to May 2026).
- Departs inside PBI's trouble window: 84% of its 31 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 175 flights
Find Delta 1266 fares Opens this date on Aviasales#7 · Delta 1190
2:04 PM → 4:04 PM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 78%
- Cancelled
- 1.7%
- Avg arrival delay
- 15 min
- Arrived on time 78% of the time (339 flights, Jun 2025 to May 2026).
- Departs inside PBI's trouble window: 84% of its 31 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 339 flights
Find Delta 1190 fares Opens this date on Aviasales#8 · Delta 1527
12:51 PM → 2:33 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 75%
- Cancelled
- 1.9%
- Avg arrival delay
- 14 min
- Arrived on time 75% of the time (357 flights, Jun 2025 to May 2026).
- Departs inside PBI's trouble window: 84% of its 31 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 357 flights
Find Delta 1527 fares Opens this date on Aviasales#9 · Delta 1458
6:30 PM → 8:40 PM2h 03m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 72%
- Cancelled
- 0.6%
- Avg arrival delay
- 19 min
- Arrived on time 72% of the time (347 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 69% on time; Before 9 AM: 93%).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
Strong track record · 347 flights
Find Delta 1458 fares Opens this date on Aviasales#10 · Delta 959
7:52 PM → 9:59 PM2h 06m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 71%
- Cancelled
- 1.2%
- Avg arrival delay
- 24 min
- Arrived on time 71% of the time (254 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 69% on time; Before 9 AM: 93%).
- Departs outside PBI's trouble window (11 AM to 5 PM, when 84% of its 31 ground stops and delay programs started).
- 52% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 254 flights
Find Delta 959 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines82%
3,760 flights · 83% on time as flown · 1.5% cancel
- Frontier Airlines53%
95 flights · 35% on time as flown · 1.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
1,084 flights · avg delay 6 min
- 9 AM to noon90%
818 flights · avg delay 8 min
- Noon to 3 PM73%
732 flights · avg delay 18 min
- 3 to 6 PM73%
567 flights · avg delay 18 min
- 6 to 9 PM69%
654 flights · avg delay 24 min
Best day: Saturday (88%). Worst: Sunday (78%).
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