Republic vs United: On-Time Performance Compared

Last 12 months · Aug 2025 – Jul 2026

Data through July 2026 · Last updated October 18, 2026

Over the last 12 months 79.3% of United flights arrived on time, compared with 78.7% for Republic.

United cancelled fewer flights (1.0% vs 4.1%), and late flights averaged 72 minutes late on Republic vs 71 on United.

On the 130 routes both airlines fly regularly, Republic had the better on-time record on 90 and United on 40.

Republic vs United: key numbers

Last 12 months, all flights each airline operated.

RepublicUnited

On-time arrivals78.7%79.3%

On-time departures81.3%81.4%

Cancelled4.1%1.0%

Diverted0.2%0.3%

On-time arrival % each month, last 24 months.

RepublicUnited

70%80%90%

Aug ’24Nov ’24Feb ’25May ’25Aug ’25Nov ’25Feb ’26May ’26

Share of each airline’s reported delay minutes by cause, last 12 months.

RepublicUnited

Airline (carrier)23.5%25.6%

Weather5.7%4.2%

Air traffic system (NAS)31.8%34.0%

Security0.1%0.0%

Late-arriving aircraft38.9%36.2%

130 routes where each airline had at least 100 completed flights in the last 12 months; the 25 busiest are shown. Better on-time rate in bold.

Route	Republic on time	United on time	Republic flights	United flights
LGA → ORD	68.2%	67.3%	1,288	4,665
ORD → LGA	71.2%	67.3%	1,287	4,665
DCA → ORD	75.7%	74.9%	1,120	3,389
ORD → DCA	69.3%	71.3%	1,115	3,390
IAH → ORD	73.3%	78.6%	365	4,048
ORD → IAH	76.8%	80.1%	367	4,040
BOS → EWR	74.1%	76.1%	1,178	2,688
EWR → BOS	73.8%	71.2%	1,178	2,688
ORD → BOS	70.4%	69.3%	908	2,735
BOS → ORD	71.1%	75.8%	906	2,733
ORD → IND	77.3%	70.5%	2,780	723
IND → ORD	83.4%	68.8%	2,774	722
PIT → ORD	84.5%	78.2%	1,676	1,293
ORD → PIT	81.5%	75.4%	1,674	1,294
ORD → MSP	73.0%	70.0%	557	2,378
MSP → ORD	75.8%	70.0%	556	2,375
IAH → DCA	75.9%	75.8%	513	2,406
DCA → IAH	75.7%	83.9%	511	2,406
CMH → ORD	83.9%	67.9%	1,577	1,219
ORD → CMH	77.5%	72.9%	1,568	1,219
CLE → ORD	77.0%	76.9%	574	2,139
ORD → CLE	75.9%	73.0%	570	2,141
ORD → RDU	75.0%	76.7%	1,085	1,278
RDU → ORD	72.0%	75.7%	1,086	1,275
ORD → CVG	80.1%	72.8%	1,327	936