Route Reliability

Route reliability

Atlanta (ATL) to West Palm Beach/Palm Beach (DJT): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Atlanta, GA (ATL) to West Palm Beach/Palm Beach, FL (DJT), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Atlanta, GAWest Palm Beach/Palm Beach, FL

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

ATL to DJT

Atlanta, GA to West Palm Beach/Palm Beach, FL

On time
74.1%vs 75.6% U.S. average About average
Cancelled
1.6%vs 1.9% U.S. average About average
60+ min late
7.0%vs 8.1% U.S. average Better than average
Scheduled flights
3,772in 12 months2 airlines
Most reliable airline
Delta Air Lines74.6% on time · 3,699 flights

On time about as often as the U.S. average, with a typical cancellation rate.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from ATL to DJT, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Delta Air Lines Most reliable 74.6% 1.6% 6.7% 53 min 0.2% 3,699
2. Frontier Airlines 46.6% 1.4% 21.9% 81 min 0.0% 73

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Delta Air Lines has the strongest record on this route.

  • Delta Air Lines had the best on-time record from Atlanta (ATL) to West Palm Beach/Palm Beach (DJT): 74.6% of its 3,699 scheduled flights arrived within 15 minutes of schedule, compared with 46.6% for Frontier Airlines.
  • 1.6% of flights on this route were cancelled (about 1 in 63), about the same as the U.S. average of 1.9%.
  • 7.0% of flights, about 1 in 14, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 55 min.
  • Overall, 74.1% of flights on this route arrived on time, 1.5 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (86.2% on time) and July the least reliable (63.6%).
  • Cancellations peaked in July, when 3.3% of flights were cancelled.
  • Flights scheduled to depart 7 am to 8 am were the most punctual (89.2% on time); flights scheduled to depart 6 pm to 7 pm were the least (58.2%).
  • In the other direction, West Palm Beach/Palm Beach (DJT) to Atlanta (ATL), 80.6% of flights were on time and 1.6% were cancelled. Compare airlines DJT to ATL.

Best and worst months to fly ATL to DJT

Jan 69.3%
Feb 76.0%
Mar 70.8%
Apr 77.6%
May 70.0%
Jun 70.8%
Jul 63.6%
Aug 73.0%
Sep 85.5%
Oct 86.2%
Nov 85.2%
Dec 72.6%
Share of scheduled flights on time 12-month average 74.1%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 69.3% 965
February 76.0% 936
March 70.8% 1,093
April 77.6% 1,062
May 70.0% 1,084
June 70.8% 1,003
July 63.6% 1,015
August 73.0% 951
September 85.5% 909
October 86.2% 960
November 85.2% 926
December 72.6% 982

Month by month, last 12 months

Sep 85.4%
Oct 82.5%
Nov 77.7%
Dec 63.2%
Jan 68.7%
Feb 74.8%
Mar 65.1%
Apr 76.9%
May 78.0%
Jun 83.3%
Jul 65.6%
Aug 70.0%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 85.4% 281
Oct 2025 82.5% 303
Nov 2025 77.7% 310
Dec 2025 63.2% 321
Jan 2026 68.7% 316
Feb 2026 74.8% 305
Mar 2026 65.1% 347
Apr 2026 76.9% 337
May 2026 78.0% 341
Jun 2026 83.3% 306
Jul 2026 65.6% 308
Aug 2026 70.0% 297

Best and worst departure times

7a 89.2%
8a 86.4%
9a 79.2%
10a 75.5%
11a 77.9%
12p 77.9%
1p 76.5%
2p 73.7%
3p 72.3%
4p 67.6%
5p Insufficient sample
6p 58.2%
7p 71.7%
8p 60.9%
9p 75.8%
10p 68.3%
11p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at ATL, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing 7 am to 8 am 89.2% 157
Departing 8 am to 9 am 86.4% 353
Departing 9 am to 10 am 79.2% 289
Departing 10 am to 11 am 75.5% 106
Departing 11 am to noon 77.9% 330
Departing noon to 1 pm 77.9% 149
Departing 1 pm to 2 pm 76.5% 272
Departing 2 pm to 3 pm 73.7% 137
Departing 3 pm to 4 pm 72.3% 368
Departing 4 pm to 5 pm 67.6% 383
Departing 5 pm to 6 pm Insufficient sample 29
Departing 6 pm to 7 pm 58.2% 282
Departing 7 pm to 8 pm 71.7% 233
Departing 8 pm to 9 pm 60.9% 151
Departing 9 pm to 10 pm 75.8% 256
Departing 10 pm to 11 pm 68.3% 262
Departing 11 pm to midnight Insufficient sample 15
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Atlanta, GA (ATL) to West Palm Beach/Palm Beach, FL (DJT), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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