Route on-time record
PIE to TYS: most on-time flights and the best time to fly
Pinellas Park (St. Petersburg Clearwater International Airport) to Knoxville/Maryville (McGhee Tyson Airport). 517 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was Allegiant 1399 at 4:35 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
PIE → TYS
Pinellas Park to Knoxville/Maryville: 517 nonstop flights a year
On time (12 months)
74%
Cancelled
0.4%
avg delay 23 min
Best time to leave
9 AM to noon
79% on time vs 63% 6 to 9 PM
Most reliable airline
Allegiant
73% 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 · Allegiant 1399
4:35 PM → 6:15 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-18.
76%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 83% of the time (12 flights, Jun 2025 to May 2026).
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Allegiant 1399 fares Opens this date on Aviasales#2 · Allegiant 3020
8:53 PM → 10:33 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-17.
71%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 36 min
- Arrived on time 77% of the time (13 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; 9 AM to noon: 79%).
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Allegiant 3020 fares Opens this date on Aviasales#3 · Allegiant 3021
8:08 PM → 9:48 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-18.
71%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 75% of the time (12 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; 9 AM to noon: 79%).
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Allegiant 3021 fares Opens this date on Aviasales#4 · Allegiant 3047
7:00 PM → 8:40 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-14.
67%
chance on time
- On time (history)
- 62%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 62% of the time (29 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; 9 AM to noon: 79%).
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Allegiant 3047 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Allegiant Air73%
517 flights · 74% on time as flown · 0.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon79%
126 flights · avg delay 23 min
- Noon to 3 PM78%
89 flights · avg delay 10 min
- 3 to 6 PM76%
85 flights · avg delay 12 min
- 6 to 9 PM63%
150 flights · avg delay 36 min
- After 9 PM71%
45 flights · avg delay 35 min
Best day: Saturday (76%). Worst: Sunday (67%).
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
- Late-arriving aircraft57%
- Airline (crew, maintenance, boarding)24%
- Air traffic control and airport volume12%
- 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
PIE to TYS questions
- What time of day is best to fly PIE to TYS?
- 9 AM to noon: 79% of flights arrived on time, against 63% for departures 6 to 9 PM.
- Which airline is most on time from PIE to TYS?
- Allegiant, with a season-adjusted 73% chance of operating and arriving on time over 517 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 PIE to TYS?
- July (57% on time); the best was April (85%), 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 PIE
- TYS to PIE (return)
- PIE to AVL 77%
- PIE to GRR 75%
- PIE to CVG 68%
- PIE to EYW 85%
Live status: FAA delays and ground stops