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Route on-time record

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

Indianapolis (Indianapolis International Airport) to Baltimore (Baltimore/Washington International Thurgood Marshall Airport). 1,216 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 1.6% were cancelled. The most reliable flight number was Southwest 377 at 5:45 AM.

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

IND → BWI

Indianapolis to Baltimore: 1,216 nonstop flights a year

On time (12 months)

84%

Cancelled

1.6%

avg delay 11 min

Best time to leave

9 AM to noon

96% on time vs 65% 6 to 9 PM

Most reliable airline

Southwest

83% chance on time

Check IND to BWI 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 377

    5:45 AM → 7:20 AM1h 35m nonstop

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

    92%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 377 fares Opens this date on Aviasales

  2. #2 · Southwest 1925

    8:15 AM → 9:55 AM1h 35m nonstop

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

    92%

    chance on time

    On time (history)
    98%
    Cancelled
    0.0%
    Avg arrival delay
    1 min
    • Arrived on time 98% of the time (54 flights, Jun 2025 to May 2026).
    • Never cancelled in 54 scheduled flights.
    • Short track record (54 flights), so its score leans on the airline's record at this hour.

    Limited track record · 54 flights

    Find Southwest 1925 fares Opens this date on Aviasales

  3. #3 · Southwest 3064

    9:35 AM → 11:10 AM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 2445; its record covers all of them.

    89%

    chance on time

    On time (history)
    92%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 92% of the time (24 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 96% on time; 6 to 9 PM: 65%).
    • Short track record (24 flights), so its score leans on the airline's record at this hour.

    Limited track record · 24 flights

    Find Southwest 3064 fares Opens this date on Aviasales

  4. #4 · Southwest 1140

    12:30 PM → 2:05 PM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    87%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
    • Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (23 flights), so its score leans on the airline's record at this hour.

    Limited track record · 23 flights

    Find Southwest 1140 fares Opens this date on Aviasales

  5. #5 · Southwest 3364

    8:00 AM → 9:40 AM1h 40m nonstop

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

    87%

    chance on time

    On time (history)
    91%
    Cancelled
    3.0%
    Avg arrival delay
    2 min
    • Arrived on time 91% of the time (32 flights, Jun 2025 to May 2026).
    • Cancelled 3.0% of the time (1 of 33).
    • Short track record (32 flights), so its score leans on the airline's record at this hour.

    Limited track record · 32 flights

    Find Southwest 3364 fares Opens this date on Aviasales

  6. #6 · Southwest 3347

    2:00 PM → 3:35 PM1h 35m nonstop

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

    83%

    chance on time

    On time (history)
    95%
    Cancelled
    5.0%
    Avg arrival delay
    4 min
    • Arrived on time 95% of the time (19 flights, Jun 2025 to May 2026).
    • Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (19 flights), so its score leans on the airline's record at this hour.

    Limited track record · 19 flights

    Find Southwest 3347 fares Opens this date on Aviasales

  7. #7 · Southwest 1851

    5:25 PM → 7:00 PM1h 35m nonstop

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

    77%

    chance on time

    On time (history)
    70%
    Cancelled
    0.0%
    Avg arrival delay
    42 min
    • Arrived on time 70% of the time (20 flights, Jun 2025 to May 2026).
    • Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (20 flights), so its score leans on the airline's record at this hour.

    Limited track record · 20 flights

    Find Southwest 1851 fares Opens this date on Aviasales

  8. #8 · Southwest 1892

    7:05 PM → 8:45 PM1h 40m nonstop

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

    75%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    1 min
    • Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 65% on time; 9 AM to noon: 96%).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 1892 fares Opens this date on Aviasales

  9. #9 · Southwest 2460

    4:35 PM → 6:10 PM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    75%

    chance on time

    On time (history)
    74%
    Cancelled
    0.0%
    Avg arrival delay
    15 min
    • Arrived on time 74% of the time (39 flights, Jun 2025 to May 2026).
    • Never cancelled in 39 scheduled flights.
    • Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (39 flights), so its score leans on the airline's record at this hour.

    Limited track record · 39 flights

    Find Southwest 2460 fares Opens this date on Aviasales

  10. #10 · Southwest 2459

    2:25 PM → 4:00 PM1h 35m nonstop

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

    74%

    chance on time

    On time (history)
    71%
    Cancelled
    0.0%
    Avg arrival delay
    11 min
    • Arrived on time 71% of the time (31 flights, Jun 2025 to May 2026).
    • Never cancelled in 31 scheduled flights.
    • Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • 66% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 31 flights

    Find Southwest 2459 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines83%

    1,216 flights · 84% on time as flown · 1.6% cancel

On time by departure time

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

  • Before 9 AM94%

    383 flights · avg delay 3 min

  • 9 AM to noon96%

    230 flights · avg delay 2 min

  • Noon to 3 PM82%

    150 flights · avg delay 8 min

  • 3 to 6 PM73%

    247 flights · avg delay 22 min

  • 6 to 9 PM65%

    206 flights · avg delay 25 min

Best day: Wednesday (88%). Worst: Sunday (78%).

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
86
F
89
M
83
A
90
M
82
J
77
J
73
A
84
S
88
O
86
N
87
D
79

What delays this route

  • Late-arriving aircraft44%
  • Air traffic control and airport volume27%
  • Airline (crew, maintenance, boarding)26%
  • Severe weather3%

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

IND to BWI questions

What time of day is best to fly IND to BWI?
9 AM to noon: 96% of flights arrived on time, against 65% for departures 6 to 9 PM.
Which airline is most on time from IND to BWI?
Southwest, with a season-adjusted 83% chance of operating and arriving on time over 1,216 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 IND to BWI?
July (73% on time); the best was April (90%), 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 IND

Live status: FAA delays and ground stops