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Route on-time record

BWI to JAX: most on-time flights and the best time to fly

Baltimore (Baltimore/Washington International Thurgood Marshall Airport) to Jacksonville (Jacksonville International Airport). 1,410 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 1.3% were cancelled. The most reliable flight number was Southwest 682 at 8:55 AM.

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

BWI → JAX

Baltimore to Jacksonville: 1,410 nonstop flights a year

On time (12 months)

76%

Cancelled

1.3%

avg delay 15 min

Best time to leave

Before 9 AM

89% on time vs 66% 6 to 9 PM

Most reliable airline

Southwest

75% chance on time

Check BWI to JAX fares

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. #1 · Southwest 682

    8:55 AM → 11:05 AM2h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    88%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 66%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 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 682 fares Opens this date on Aviasales

  2. #2 · Southwest 4480

    8:10 AM → 10:15 AM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1412; its record covers all of them.

    86%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 88% of the time (72 flights, Jun 2025 to May 2026).
    • Never cancelled in 72 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 66%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).

    Moderate track record · 72 flights

    Find Southwest 4480 fares Opens this date on Aviasales

  3. #3 · Southwest 1808

    11:50 AM → 1:50 PM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1483; its record covers all of them.

    84%

    chance on time

    On time (history)
    86%
    Cancelled
    1.1%
    Avg arrival delay
    8 min
    • Arrived on time 86% of the time (87 flights, Jun 2025 to May 2026).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).

    Moderate track record · 87 flights

    Find Southwest 1808 fares Opens this date on Aviasales

  4. #4 · Southwest 1165

    2:20 PM → 4:20 PM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    75%

    chance on time

    On time (history)
    79%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 79% of the time (47 flights, Jun 2025 to May 2026).
    • Never cancelled in 47 scheduled flights.
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (47 flights), so its score leans on the airline's record at this hour.

    Limited track record · 47 flights

    Find Southwest 1165 fares Opens this date on Aviasales

  5. #5 · Southwest 3570

    8:00 PM → 10:05 PM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-04-05.

    70%

    chance on time

    On time (history)
    70%
    Cancelled
    0.0%
    Avg arrival delay
    30 min
    • Arrived on time 70% of the time (10 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; Before 9 AM: 89%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
    • 95% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 10 flights

    Find Southwest 3570 fares Opens this date on Aviasales

  6. #6 · Southwest 1414

    8:15 PM → 10:25 PM2h 10m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    70%

    chance on time

    On time (history)
    71%
    Cancelled
    6.7%
    Avg arrival delay
    23 min
    • Arrived on time 71% of the time (14 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; Before 9 AM: 89%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
    • Short track record (14 flights), so its score leans on the airline's record at this hour.

    Limited track record · 14 flights

    Find Southwest 1414 fares Opens this date on Aviasales

  7. #7 · Southwest 532

    4:00 PM → 6:05 PM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-04-05.

    70%

    chance on time

    On time (history)
    69%
    Cancelled
    0.0%
    Avg arrival delay
    12 min
    • Arrived on time 69% of the time (13 flights, Jun 2025 to May 2026).
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (13 flights), so its score leans on the airline's record at this hour.

    Limited track record · 13 flights

    Find Southwest 532 fares Opens this date on Aviasales

  8. #8 · Southwest 4033

    6:00 PM → 8:05 PM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1810; its record covers all of them.

    63%

    chance on time

    On time (history)
    54%
    Cancelled
    2.8%
    Avg arrival delay
    23 min
    • Arrived on time 54% of the time (35 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; Before 9 AM: 89%).
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • 50% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 35 flights

    Find Southwest 4033 fares Opens this date on Aviasales

  9. #9 · Southwest 1458

    7:20 PM → 9:25 PM2h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    61%

    chance on time

    On time (history)
    60%
    Cancelled
    0.0%
    Avg arrival delay
    22 min
    • Arrived on time 60% of the time (47 flights, Jun 2025 to May 2026).
    • Never cancelled in 47 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; Before 9 AM: 89%).
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 47 flights

    Find Southwest 1458 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines75%

    1,410 flights · 76% on time as flown · 1.3% cancel

On time by departure time

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

  • Before 9 AM89%

    336 flights · avg delay 5 min

  • 9 AM to noon86%

    179 flights · avg delay 8 min

  • Noon to 3 PM75%

    248 flights · avg delay 15 min

  • 3 to 6 PM67%

    268 flights · avg delay 21 min

  • 6 to 9 PM66%

    369 flights · avg delay 24 min

Best day: Tuesday (81%). Worst: Sunday (70%).

Smarter routing

Nearby airports that run more on time

  • IAD → JAX 82% chance on time

    Washington Dulles International Airport to Jacksonville International Airport · 763 flights a year · 45 mi from your airports · yours: 75%

    Rank flightsFares

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.

J
79
F
83
M
78
A
77
M
72
J
63
J
58
A
68
S
78
O
81
N
82
D
75

What delays this route

  • Late-arriving aircraft41%
  • Airline (crew, maintenance, boarding)29%
  • Air traffic control and airport volume21%
  • Severe weather8%

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

Finding the most reliable connections from BWI to JAX…

BWI to JAX questions

What time of day is best to fly BWI to JAX?
Before 9 AM: 89% of flights arrived on time, against 66% 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 BWI to JAX?
Southwest, with a season-adjusted 75% chance of operating and arriving on time over 1,410 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 BWI to JAX?
July (58% on time); the best was February (83%), 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 BWI

Live status: FAA delays and ground stops